The average yield was raised to 1400 jin per mu.

的翻译是：平均出产量被上升了给1400金每位mu。

The results of larger scale experiments proved that the average yield was 95%.

放大实验结果表明该合成条件下的平均得率可达95％。

The average yield of grain last year in China topped the highest level in history.

去年中国谷物的平均产量超过了历史最高水平。

FIG. 5 shows the average yield strength as a function of extrusion speed and location.

图5示出了平均屈服强度与挤压速度和位置的关系。

Yet, with a 20% average yield, junk bonds could provide nice returns, even in that scenario.

然而，即使在这种情况下，凭着20 %的平均收益率，垃圾债券可以提供不错的回报。