We have a weight on the piston, and that weight is chosen so that p2 it acts as though p external is equal to p2.

让活塞上放一重物，让它的效果刚好,等同于外压强。

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Results The difference in the incidence of feeding intolerance between newborns with different birth weight were statistically significant (P< 0.01).

结果不同出生体重新生儿喂养不耐受发生率不同，差异有统计学意义（P<0.01）。

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The results showed that there was significant difference (P<0.01)ir. the body weight between the broilers of group supplied with light and the control group.

结果，实验组鸡的增重显著高于对照组（P<0.01），其甲状腺滤泡上皮细胞及滤泡腔内胶质均呈现功能活动旺盛的构相。

youdao

We have a weight on the piston, and that weight is chosen so that p2 it acts as though p external is equal to p2.

让活塞上放一重物，让它的效果刚好,等同于外压强。

麻省理工公开课 - 热力学与动力学课程节选

Each weighing, say, one 100th of the weight 1/100 needed to establish p external is equal to p1.

每颗重，比方说，使外压强,达到p1的重量的。

麻省理工公开课 - 热力学与动力学课程节选

The manual shows that GSK's net profit margin is in the same range as that of General Electric, Coca-Cola and Weight Watchers (see story, p. 86).

FORBES: Spin Doctors

At Smiley's, you get a 750hp dirt dragster that has about the highest power-to-weight ratio of anything this side of a fighter jet (see box, p. 153).

FORBES: Real men eat dirt