If many lookups are being performed, enabling caching will yield a noticeable performance gain; otherwise performance gains are negligible.
如果同时执行多个查找，启用高速缓存将会明显地提高性能，否则系统性能增益甚微。
2
Results also show that an improvement in plants density can gain more yield of soybean, and there is a linear relation between the yield increasing value and the rainfall during soybean growth season.
模拟结果还发现，提高大豆的出苗密度可以增加大豆的产量，但增加值与生长季的降水量有一定的关系。
3
People often say: "would only come, and the yield. " In order to gain, it must pay.