The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系統(tǒng)采用主動(dòng)式跟蹤18禁亚洲深夜福利入口导航，即預(yù)先計(jì)算好對(duì)應(yīng)于某時(shí)刻太陽(yáng)位置的跟蹤機(jī)構(gòu)的輸入角度，通過(guò)跟蹤器上平臺(tái)不同位置上擺放的光電傳感器感受該太陽(yáng)位置的光照，反饋回電信號(hào)，單片機(jī)根據(jù)該信號(hào)調(diào)用子程序發(fā)出脈沖對(duì)步進(jìn)電動(dòng)機(jī)的轉(zhuǎn)動(dòng)角度和方向進(jìn)行控制在线日韩日本国产亚洲不卡，實(shí)現(xiàn)了機(jī)構(gòu)對(duì)太陽(yáng)的自動(dòng)跟蹤，使跟蹤裝置的上平臺(tái)始終處于垂直于光照方向949av，達(dá)到了能量最大限度的接收。

Sometimes the neighbour's pigeons land on my windowledge Cooing softly Where the great poplar at the window has somehow grown beyond the fourth-floor roof They skim round its crown and back The sunlight on their fluffy feathers Alive day by day I keep coming indoors empty-handed And throwing book and jacket on the bed As the days hurry by I can bring scarcely anything home Even after days away Only you remain and the little room Living day by day We have grown used By an unspoken pact to the room's breadth A pair of pigeons cooing softly on the windowledge Which at many instants belong to us Day by day Dust that falls on book spines gradually yellows Perhaps it is otherwise That life, if it does, provides I know that the unwitting request is not excessive And that summer turns to autumn Perhaps fallen leaves will swirl after a night of rain It does not mean a return to green shade deep in sunlight A house-cleaning when leisure affords Feelings may come on latent even as Irrelevancies are spoken softly The instant when a first trembling on the lips teaches you happiness Lasts till the end of life A request always voiced unwittingly

有時(shí)候一级特黄a大片录像，鄰家的鴿子落在我的窗臺(tái)上咕咕地輕啼窗口的大楊樹(shù)不知不覺(jué)間已高過(guò)了四層樓的屋頂它們輕繞那些樹(shù)冠又飛回來(lái)陽(yáng)光在蓬松的羽毛上那么溫柔生命日復(fù)一日我往往空著手從街上回來(lái)把書(shū)和上衣擲在床上日子過(guò)得匆匆忙忙我時(shí)常不能帶回來(lái)什么即使離家數(shù)日只留下你和這小小的屋子生活日復(fù)一日面對(duì)無(wú)聲無(wú)息的默契我們已習(xí)慣了彼此間的寬容一對(duì)鴿子在窗臺(tái)上咕咕地輕啼他們?cè)谠S多瞬間屬于我們?nèi)諒?fù)一日灰塵落在書(shū)脊上漸漸變黃如果生活時(shí)時(shí)在給予那也許是另一回事我知道国产黄色视频一区二区，那無(wú)意間提出的請(qǐng)求并不過(guò)份我知道，夏日正轉(zhuǎn)向秋天也許一場(chǎng)夜雨過(guò)后就會(huì)落葉紛飛不是說(shuō)再回到陽(yáng)光下幽深的綠蔭日子需要閑遐的時(shí)候把家收拾干凈在线观看黄日本高清视频，即使輕聲述說(shuō)些無(wú)關(guān)緊要的事情感也會(huì)在其間潛潛走過(guò)當(dāng)唇際間最初的戰(zhàn)栗使你感知了幸福這一瞬已延伸到了生命的盡頭而那些請(qǐng)求都是無(wú)意間說(shuō)出的

When choosing the area for your flowerbed you are looking for a place that has at least six hours of sunlight, but that is not in the direct sunlight during the hottest part of the day.

當(dāng)您選擇面積花你找一個(gè)地方a片免费在线观看网址，至少有六個(gè)小時(shí)陽(yáng)光，但那不是在陽(yáng)光直接在一天最熱的一部分91九色国产老熟女。

Solution the demerit -"Floating glass garden" absorbed southern sunlight "Glass box of light" that will absorb the useful sunlight was introduced to inside space of the various level and these boxes which are planted with flower and fruit are functioned as "Floating glass garden".

解決缺點(diǎn)-"浮法玻璃花園"吸收南面陽(yáng)光"充滿(mǎn)光線的玻璃盒子"日韩系列免费精品视频在线观看，將吸收有益的陽(yáng)光被介紹給了這些不同層面的種植了花卉和水果被稱(chēng)為"花園浮法玻璃盒子內(nèi)運(yùn)作空間"。

Solution the demerit -"Floating glass garden" absorbed southern sunlight解決方案的缺點(diǎn)-"浮法玻璃花園"南部吸收陽(yáng)光"Glass box of light" that will absorb the useful sunlight was introduced to inside space of the various level and these boxes which are planted with flower and fruit are functioned as "Floating glass garden".

"玻璃的光的盒子"先锋av资源网站，將吸收有益的陽(yáng)光被介紹給了這些不同層面的種植了花卉和水果被稱(chēng)為"花園浮法玻璃盒子內(nèi)運(yùn)作空間"一级做a爱片姓色毛片。

Taught the courtyard and Sichuan University is the close neighbor face-to-face, in Sichuan University exquisite, plain, the lonesome and quiet environment has attracted me deeply, in the weekend leisurely and carefree day, sky cool, when the sunlight was beautiful, I will hold one to express feelings exquisitely the poetry anthology or an affection moving novel, sat reads on nearby Sichuan University's lotus pond wooden chair, treats entire one happy morning, until the auspicious dusk, looks in the lotus pond the summer was in full bloom chaste simple and elegant lotus, but also had the old tree diversity sky, the cover big gingko the long tree's shadow which threw down in the sunlight, was listening to Sichuan University West China dam ancient, but longThe ding, immerses class in the time, wanders about dream in the literature.

教院和川大是面對(duì)面的近鄰，川大里優(yōu)美桃色国产第二页、古樸伊人玖草、幽靜的環(huán)境深深地吸引了我，在周末悠閑的日子美女黄色插插插视频，天空清涼国产精品麻豆A片大全，陽(yáng)光明媚時(shí)，我會(huì)捧著一本優(yōu)美抒情詩(shī)集或者一本深情動(dòng)人的小說(shuō)性欧美456长视频免费，坐在川大的荷花池邊的木椅上閱讀黄片视频大全免费在线观看，待上整整一個(gè)美好的上午，直到祥和的黃昏有什么好看的在线看黄色网站，看著荷花池里夏天盛開(kāi)的純潔清雅的荷花国内免费久久久久久久久久10，還有古樹(shù)參差的天空，茂密高大的銀杏在陽(yáng)光中投下的悠悠的樹(shù)影亚洲屄屄视频网站，聽(tīng)著川大華西壩里古老而悠長(zhǎng)的鐘聲欧美18XXOO视频在线观看，沉浸在時(shí)光之流里，徜徉在文學(xué)之夢(mèng)里。

Li Xiaomeng: I think the sunshine here doesn't means a simple sunlight but a sunlight that have gone through the wind, the rain, the hardships, that's the sunlight which is most glamourous.

李小萌：我想這個(gè)陽(yáng)光并不是說(shuō)直接照進(jìn)來(lái)的一縷陽(yáng)光国产对白放荡AV，而是經(jīng)過(guò)了風(fēng)雨青草国产线免费观看AV，經(jīng)過(guò)的很多坎坷之后的那一縷陽(yáng)光之后才是最耀眼的，是這個(gè)意思未满18勿入网站。

Meeting correct hair causes the ultraviolet ray in sunlight damage, make a hair sere become yellow, because this summer wants to avoid sunlight to insolate, it is outdoor swim, should notice to defend when sunbathe.

日光中的紫外線會(huì)對(duì)頭發(fā)造成損害欧美三p，使頭發(fā)干枯變黃，因此夏季要避免日光暴曬欧美综合色一区二区三区，在室外游泳18岁禁看的黄片、日光浴時(shí)要注意防護(hù)。

Based on the traits of the aspherical lens, the sunlight was focused on a very small spot, and then it was transferred into a plastic fiber by an aspherical lens and a selfoc lens. A formula for calculating the optimal length of selfoc lens is presented. The optimal assembly of the aspherical lens and selfoc lens was implemented by the aid of this formula. Therefore, sunlight is coupled into a plastic fiber efficiently.

根據(jù)非球面透鏡垂軸球差小的特點(diǎn)把太陽(yáng)光會(huì)聚到很小的光點(diǎn)日韩网友自拍视频网站大全免费，再利用長(zhǎng)度約為1/4節(jié)距的自聚焦透鏡改變光線的數(shù)值孔徑使其滿(mǎn)足光纖的數(shù)值孔徑国内自拍av偷500拍视频，通過(guò)一個(gè)計(jì)算公式來(lái)計(jì)算最佳的自聚焦透鏡長(zhǎng)度，實(shí)現(xiàn)非球面透鏡和自聚焦透鏡的最佳組合AAAAAAAAA欧美黄色视频，把太陽(yáng)光以較高的耦合效率耦合進(jìn)塑料光纖日韩十八禁视频。

In the experiments of shade resistance, turfgrass germplasms were subject to four treatments, including full sunlight, light shading (70% full sunlight), mid-shading (40% full sunlight) and heavy shading (about 10% full sunlight).

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