They are in ably silty in build slimy house , open a spiracle in corresponding place only , this

它們巧妙地在淤泥中構(gòu)筑泥屋，僅在相應的地方開一個呼吸孔国产情侣作爱视频免费观看，這

The ultra structure of Spodoptera exigua Hübner spiracle was observed with scanning electron microscope.

采用掃描電子顯微鏡對甜菜夜蛾5齡幼蟲氣門的超微結(jié)構(gòu)進行了觀察亚洲开心色。

Using the technology of image segmentation,introduced a fast fuzzy c-means algorithm,with which the background,red fire area and spiracle area could be divided automatically.

利用圖像分割技術，采用基于快速C均值聚類算法国产口爆视频，實現(xiàn)了燒結(jié)圖像背景日韩欧美一区中文字母视频、紅火區(qū)和氣孔區(qū)的自動分割。

We guarantee that the dimensional precision of deep boreholes and surface precision meet the requirements by conducting the research on the processing approach of the spiracle conduit of the internal combustion engine and by grinding the deep boreholes with grinding heads of minor diameter and deep bo...

通過對內(nèi)燃機氣門導管的加工方法研究免费网站看av片在线观看，采用小直徑的深孔珩磨頭進行深孔的珩磨在线看羞羞视频，能夠保證深孔加工的尺寸精度與表面精度要求，加工質(zhì)量達到了良好效果欧美xxxx极品第一视角。

The photosynthetic rate decreasing of un-pretreated was not caused by plant spiracle.Thephotosynthetic rate decreasing of the pretreated plant was caused by plant spiracle in the first andsecond low temperature stress day,The photosynthetic rate decreasing of the pretreated plant wascaused by other factors in the third and fourth day.

在脅迫過程對照植株光合速率的下降是由非氣孔因素引起久久久久久免费大片；鍛煉植株光合速率的下降在脅迫的前兩天是由氣孔因素引起，在脅迫的第三和第四天是由非氣孔因素引起日韩亚洲欧美激情视频。

spiracle：氣門

采用掃描電子顯微鏡對甜菜夜蛾5齡幼蟲氣門(spiracle)的超微結(jié)構(gòu)進行了觀察.結(jié)果表明,甜菜夜蛾的氣門類型為內(nèi)閉式氣門(internal closing apparatus),外面觀和內(nèi)面觀皆呈新月形或近圓形;氣門的開閉結(jié)構(gòu)主要由閉弓(......

spiracle：通氣孔

spiny 多剌的 | spiracle 通氣孔 | spiral galaxy 螺旋星云

spiracle：呼吸孔

spiny 具剌的 | spiracle 呼吸孔 | spiral 螺旋

spiracle：通風口

spinning machine 離心機 | spiracle 通風口 | spiral 螺線 ,介曲線

spiracle WESTBANK：通風口

spinning machine WESTBANK 離心機 | spiracle WESTBANK 通風口 | spiral WESTBANK 螺線 ,介曲線