双语例句原声例句
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MPPAN卷绕丝的结晶及晶粒尺寸较低，具有一定的机械强度，热水收缩较大。
The undrawn MPPAN yarn has lower crystallinity and crystal size, fairly high mechanical strength...
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在园林绿化方面由于陶粒由表及里有许多微孔，具有一定的机械强度，吸水、透气、持肥能力强。
Because of micro pore from surface to interior, mechanic strength, water absorbing capability, good air permeability, good preserving fertility, ceramisite is used in greening of gardens.
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这对于旋转机械系统随机最优控制中权矩阵的选择具有一定的参考价值。
This will provid some references for choosing weighting matrix in stochastic optimal control for rotating machinery.
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It's - a suture or a stitch has to hold the wound closed so it has to have certain mechanical strength and imagine the problem of making something that's dissolvable so it disappears but also is strong enough to hold a wound closed reliably for a length of time.
能够拉紧切口的缝合线,就必须具有一定的机械张力,大家想像一下制造这种缝合线的难度,身体组织不仅要能吸收这种缝合线,而且这种线必须有足够的张力,一定时间内能够拉紧切口
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