expanded ratio是什么意思_expanded ratio中文

expanded ratio中文什么意思

expanded: adj. 1.膨胀的；被扩大的；被延伸的；(花瓣)展开的 ...
ratio: n. (pl. ratios) 1.比，比率，比值；比例 ...
expanded area ratio: 伸张面比; 展开面积比盘面比
low-ratio expanded foam: 低倍率发泡塑料
expanded: adj. 1.膨胀的；被扩大的；被延伸的；(花瓣)展开的。 2.【印刷】宽体的 (＝extended)。 expanded wings 展开的翅膀。 an expanded program 一项扩大了的计划。

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When propellant is used in weapons with larger gas expanding ratio , the power capability accords with potential energy , and the power capability accords with impetus when gas expanding ratio is small
发射药在气体膨胀比大的武器上应用时，做功能力与潜能较为一致；在气体膨胀比小的武器上应用时，做功能力与火药力较为一致。
The results from simulation agree well with the conclusions of conference [ 21 ] , and indicate that the boundary conditions have no obvious effect on the displacement and stress ; that the displacement and stress increase with linear heat expanding ratio , and those decrease with the specific heat of material ; that the displacement increases with the heat transfer ratio , but the stress does not
数值模拟表明：边界条件对位移和应力的影响非常小；位移随着线热膨胀系数、热传导系数的增大而增大，但是随着比热容的增大而减小；应力的最大值随着线热膨胀系数的增大而增大，而随着比热容的增大而减小，而热传导系数k对应力的影响比较小。

expanded ratio中文什么意思