身体前几个节间沟内经常无背孔。
There are usually no dorsal pores in the first few intersegmental grooves.
这是一个炎热的午后，在行进途中，向导布达赫斯瓦·孔瓦突然让我们把吉普车停下来，因为他看到一只印度棱背龟(Indiantentturtle)趴在路上。
Budheswar Konwar, my guide, stopped our open-topped jeep so he could move another aquatic creature-an Indian tent turtle-off a back road on a hot afternoon.
通过求解压缩机热力学模型和进行动力计算，分析了背压孔的一般运动规律。
General motion low of back-pressure ports position is developed by solving thermodynamic model of compressor and carrying out dynamical computation.
只有胚孔的背唇能够诱导宿主发育的改变。
Only the dorsal lip of the blastopore could induce altered development in the host.
工业实验结果比小试结果更佳，制得了泡孔密度均匀、柔软、弹性好的海绵背衬地毯。
Commercial experiment had better results than that of bench test. Soft sponge back-lining carpet with symmetrical bubble hole density and high elasticity carpet was produced.
现有技术中传声器的背侧孔典型地要求在制造过程中于硅片的后表面上进行一种二次机加工操作。
The backside holes of prior art microphones typically require that a secondary machining operation be performed on the rear surface of the silicon wafer during fabrication.
高密度闭孔泡沫背衬：吸收噪音并提供舒适的脚感。
High density closed-cell foam backing: sound reduction and comfort underfoot.
该天线满足电讯设计需求，且避免采用接地板背腔开工艺孔的方法。
The antenna can meet the microwave design and avoid the drilling holes in ground plate.
该天线满足电讯设计需求，且避免采用接地板背腔开工艺孔的方法。
The antenna can meet the microwave design and avoid the drilling holes in ground plate.
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