Dinomastigota A phylum of the Protoctista containing mainly single-celled marine or freshwater algae that swim in a twirling mannerly by means of two UNDULIPODIA that lie at right angles to each other in two grooves within the organism ' s often stiffened by cellulose plates under the cell membrane.

腰鞭毛蟲門：原生生物中的一門。主要包括單細胞的淡水以及海洋藻類66J8影院在线观看。它們可以通過在生物體壁表面兩條溝內(nèi)的兩個相互成直角的波動足通過旋轉(zhuǎn)的方式在水中游泳。體壁可以被細胞膜下的纖維素板所加厚。

Based on the model of stiffened plates with concentrated added mass, a study of the stochastic vibration was carried out, and system's mean value, mean square value, cross-correlation function, cross-spectral density function were calculated.

從帶有附加集中質(zhì)量加肋板的力學(xué)簡化模型出發(fā)xxxx69欧美，推導(dǎo)給出了該模型的隨機功率譜密度，并分析了系統(tǒng)隨機振動響應(yīng)的其他統(tǒng)計數(shù)字特征：均值黄色视频免费在线网站、均方值A4yy午夜国产、互相關(guān)函數(shù)和協(xié)功率譜密度。

At the thought of the mishap his legs stiffened under him and couldn't move a step further.

他一想到那場災(zāi)難网友自拍日韩视频网站，他的腿就像有千斤重99视频有精品你懂的，在也挪不動一步了

A new method called generalized displacement method, using new structural model taking into account the deformation of the nodal point and avoiding the disadvantage of stiffened nodal point model, is proposed here to calculate the displacement and the stress in adjecent point of thin-walled structure.

一黄色视频污污、薄壁桿件結(jié)構(gòu)的計算模型對金屬薄壁桿件組合結(jié)構(gòu)用有限元法計算時，遇到的一個困難是不同截面形狀的薄壁桿件在連接點處由翹曲引起的軸向位移不協(xié)調(diào)免黄片视频在线观看。

Dynamic responses of stiffened-plate under the underwater osculatory explosion were mainly discussed.

主要仿真模擬計算了加筋板結(jié)構(gòu)在水下接觸爆炸荷載作用下的動力響應(yīng)免费久久精品国产片72。

Cylindrical shell is a element structure style, its pressure hull is ring stiffened cylindrical shell.

潛艇的基本結(jié)構(gòu)形式是圓柱殼體，其耐壓結(jié)構(gòu)由圓柱殼和加強肋組成国产36区。

All night I was lying on a bench outside the mall while the globe was sprayed with warm turtle piss and the horses stiffened with priapic fury galloped like mad without ever touching the ground.

我整夜躺在林蔭路邊免费三级日欧美色性片，與此同時整個地球被灑上熱呼呼的烏龜尿，而性欲勃發(fā)男女男精品视频网在线观看、陰莖豎起的公馬蹄不沾地瘋了似的狂奔国产精品群交电影在线免费观看。

The girl emptied the stiffened mould into my hands and I devoured it ravenously.

我一走到望不見他屋子的地方，便坐下吃了起來国产精品视频2021。

Through the assimilating and analyzing the construction materials and the design of reinforced concrete arch bridges with long span from both domestic and abroad, the thesis studies the effect of the arch axis geometry, rise-span ratio, arch ring section and spandrel structures, as well as the ultimate bearing capacity and stability of the entire bridge on the design of reinforced concrete arch bridge. In addition, in consideration of construction, the thesis also studies the applicability of different construction methods such as cable crane system, stiffened skeleton system, swing construction system and cantilever construction system and correspoindingly economica spans and their applications of the reinforced concrete arch bridges.

本論文通過對國內(nèi)外大跨徑鋼筋混凝土拱橋的設(shè)計在线超碰、施工資料的收集及其出現(xiàn)問題的分析，從設(shè)計角度研究了拱軸線形国产人妖、矢跨比无码自拍日韩视频、拱圈截面及拱上構(gòu)造、全橋極限承載能力及穩(wěn)定性對鋼筋混凝土拱橋設(shè)計的影響视频亚洲日韩欧美；從施工角度研究了纜索吊裝法卡通动漫亚洲综合第1页搜索、勁性骨架法、轉(zhuǎn)體施工法女性精品黄色网、懸臂施工法等不同施工方法的鋼筋混凝土拱橋的經(jīng)濟適用跨徑及其適用條件高清亚洲主播在线播放。

The knot can be stiffened and strengthend by dabbing just a smidgeon of white paper glue on your fingers and squeezing the knot with them.

用手指粘上少量的白皮膠并擠壓在結(jié)上，這些結(jié)就粘得很牢黄页站免费观看。