So it is significant for improving casting quality and social productivityoflabor to study fast testing system of green sand composition and performance parameter.
因此，研究湿型砂组分及性能参数快速测试系统对于提高铸件质量和劳动生产率具有非常重要的现实意义。
2
As Mises put it, "What makes friendly relations between human beings possible is the higher productivityof the division of labor."
如米塞斯所指出的那样：正是因为劳动分工能带来更高的生产力，使人类之间的和平共存成为可能。
3
Fertility rates in many European nations and Japan have dropped below the replacement rate, causing concern that shortages oflabor and productivity could threaten the quality of life.