give a higher yield的意思|示意

The results showed that the reaction heated by microwave irradiation could be finished in a shorter time and could give a higher yield than heated by ordinary heating method.

结果表明，利用微波加热方法要比普通加热方法反应更快、 收率更高、后处理更简单。

He thought there was only one way to do this - by crossing different species of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.

他想只有一种方法可以做这件事——通过杂交不同品种的水稻，然后他可以制造一种新的水稻，这种水稻可以比原先的任何一种产量更高。