The results showed that affecting degree of P supply level in nutrient solution on phosphatases of sugar beet root varied with the kinds of phosphatases,beet varieties and the spatial distribution places from the root in vivo to the substrate.

結(jié)果表明，營(yíng)養(yǎng)液中的供磷水平對(duì)甜菜磷酸酶的影響程度因其從根內(nèi)到根生長(zhǎng)介質(zhì)空間的分布位置久久99精品国产、品種和磷酸酶的種類而異欧美资源在线。

In the Frame dialog box, choose the Type tab and enter the width, height, and horizontal and vertical position for the footer.

在框架對(duì)話框中，選擇類型選項(xiàng)卡一级a视频免费看裸体美女，然后輸入頁(yè)腳的寬度国产色哟哟一区二区在线、高度、水平和垂直位置日韩精品美女自拍网页视频在线观看。

According to research on space between wheel and Cart rut traverse curve of single roadway, the width of strip slab was fixed. When there was horizontal loading on slab, contact state between strip slab and base course was studied, and finite element model was established. Comparing maximum principle stress among different load position on slab, it was found that the critical loading position of cement concrete strips pavement was the middle of longitudinal joint.

對(duì)車輛輪距和單車道輪跡橫向分布曲線進(jìn)行分析，確定輪跡板板寬亚洲电影免费看一级A片；在有水平荷載作用時(shí)日本黄巴网站在线观看一二区，對(duì)輪跡板與基層的層間接觸狀態(tài)進(jìn)行分析，建立有限元計(jì)算模型免费黄色网站www，對(duì)比荷載作用在輪跡板不同位置時(shí)的最大主應(yīng)力无码中文乱伦视频，最終確定水泥混凝土輪跡路面板的臨界荷位為縱縫邊緣中部。

The round-link chain as a driving chain can always adapt to such a break, due to its vertical and horizontal articulation at that specific location.

環(huán)狀連接鏈作為一種強(qiáng)勁的鏈狀組織總是能適應(yīng)這樣的中斷国产黄色福利，因?yàn)樗拇怪焙退降年P(guān)節(jié)在那個(gè)特殊的位置上另类专区亚洲欧美另类专区亚洲。

This project makes all-directions auto controls to the work process and craftwork flow on Power Plant Coal Stacker, in which the fixed position system for big car and perpendicular and level position of big arm are designed.

該方案對(duì)斗輪機(jī)的整個(gè)工作工藝及流程進(jìn)行了全方位的自動(dòng)控制，設(shè)計(jì)了斗輪機(jī)大車在线看片黄、大臂水平在线观看视频日韩精品、大臂垂直位置的定位系統(tǒng)。

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Therefore, the ought-to-be trends of Chinese bilingual education policy are to place bilingual education into critical position of ethnic education; to formulate bilingual education policy within whole projects of national development; to draft out a bilingual education act; and to quicken the preparation and training of bilingual teachers as well as the development of bilingual teaching materials.

因而黄片三日视频A，中國(guó)雙語(yǔ)教育政策應(yīng)然的取向便是將雙語(yǔ)教育置于民族教育的重要位置超碰插插丝袜美女；從國(guó)家整體發(fā)展規(guī)劃中建構(gòu)雙語(yǔ)教育政策；加強(qiáng)雙語(yǔ)教育立法建設(shè)；提高雙語(yǔ)教育研究水平69国产精品视频免费AAAA；加快雙語(yǔ)師資隊(duì)伍建設(shè)和教材開(kāi)發(fā)午夜影院404。

The strongpoint of level drill-hole drainage is that the holes can be placed on higher position,then can obtain larger gas drainage concentration and improve the efficiency.

水平鉆孔抽放的優(yōu)點(diǎn)是可選擇高的鉆孔位置，能獲得更大的瓦斯抽放濃度三级Av中文字幕永久在线，可提高抽放效率。

It is deduced in this paper theoretically the elastic wave equation in two dimen-sional EDA media, for which numerical modeling is carried out.

中文摘要：本文從理論上推導(dǎo)了二維EDA介質(zhì)中的彈性波動(dòng)方程99r热视频在线，并對(duì)其進(jìn)行了數(shù)值模擬台湾性色HD性色AV，獲得了當(dāng)坐標(biāo)系旋轉(zhuǎn)30°時(shí)用點(diǎn)源激發(fā)的三分量波場(chǎng)切片及用相互正交的橫波震源在同一位置激發(fā)，用兩個(gè)相互正交的水平檢波器接收的四分量全成記錄体验区无码120秒免费。

A roll cloud is a low, horizontal tube-shaped arcus cloud associated with a thunderstorm gust front, or sometimes a cold front.

架狀云層位置低性在线视频网站，在水平面上如同一個(gè)弧狀三角形。