When cylinder surface and cone surface penetrate each other,if their axises intersect slantly and are parallel to the frontal projecting plane,there will he special points in the penetrating line.

本文對(duì)軸線斜交亚洲鸥美国产毛片，且兩軸線平行于某一投影面的圓柱面與圓錐面相貫時(shí)，相貫線上的特殊點(diǎn)進(jìn)行探討，從而得出了用輔助球面法不能求出該相貫線上的最右點(diǎn)的結(jié)論无码黄片二三区。

The window of the middle is designed width and big ,it bring more width vision for passenger, other than that ,the window at the last row ,can be open also , it can open slantly , and bring the effect the air inside the car ventilated

因此大面積的窗口帶給乘客廣闊的視野欧美国产一级黄色。，除此之外，最后面一排的鏡子更是可以傾斜的打開(kāi)日韩精品国内直播在线观看网站，以可以作為通風(fēng)的功用1级片在线观看，視窗的打開(kāi)或關(guān)閉均是由車內(nèi)的按鈕控制。

The research work is mainly focused on the phase mask method, the characteristics of near-field diffraction of the phase mask are analyzed with scalar diffraction theory, and the properties of grating formation are studied specifically when the writting light beam incidents normally and slantly, respectively, with some important conclusions derived.

我們首先采用按理想波導(dǎo)模展開(kāi)的方法建立了FBG中的模式耦合方程中文全毛片免费播放，并用模式耦合理論研究了FBG中的模式耦合現(xiàn)象一级aaaaaa黄片，導(dǎo)出了FBG的反射光譜和透射光譜的理論表達(dá)式，采用數(shù)值模擬計(jì)算的方法研究了FBG的結(jié)構(gòu)參數(shù)對(duì)其反射光譜特性的影響中文日韩字幕一区二区三区，得出了若干重要結(jié)論小视频无码专区网。

The results show that during the landfalling ing and northward going process of Matsa, the cold air in its northwest side first rotated along the typhoon circulation from the north to the south, and then intruded northward form the south into warm center of Matsa gradually, and at the same time in the vertical direction there were cold airs systematically/slantly descending from the middle-upper troposphere and intruding into the typhoon circumfluence at the low level, which at last resulted in the extratropical transition of Mstsa.

結(jié)果表明：&麥莎&登陸北上過(guò)程中，西北側(cè)冷空氣先隨著&麥莎&環(huán)流由北向南旋轉(zhuǎn)综合久久久久久，爾后冷空氣又從臺(tái)風(fēng)低壓中心的偏南側(cè)向北侵入国产一级黄色网站在线，逐步侵入&麥莎&暖心結(jié)構(gòu)；在垂直方向上日本男女欧美一级免费，對(duì)流層中高層不斷有系統(tǒng)性的冷空氣傾斜向下補(bǔ)充免费囯产黄片无级A，冷空氣從對(duì)流層低層侵入臺(tái)風(fēng)環(huán)流，最終使&麥莎&變性日本色色视屏。

The positive centers of ζ and ζ(subscript MPV1) and the negative center of ζ(subscript MPV2) distributing on the dense isoline zone of equivalent potential temperature at the upper level slantly spread from the upper down to low troposphere a- long the dense isoline zone.

干空氣侵入在這次暴雨過(guò)程中有重要作用__级黄色视频，對(duì)流層高層西風(fēng)分量下傳將高緯高層高位渦干空氣帶到低緯暴雨區(qū)低層，促使對(duì)流層低層對(duì)流發(fā)展啊啊啊插下面，從而產(chǎn)生強(qiáng)降水日韩内陆美洲无码AV。