A number of small-scale studies have already indicated that there is a relationship between diet and cancer.

一些小规模的研究已经表明，饮食和癌症之间有一种联系。

It enables small-scale farmers to harvest 175 pounds of green vegetables per hour.

它使小规模的农户每小时收获175磅的绿色蔬菜。

Small-scale tourism is already having an impact.

小规模旅游活动已在产生影响。

These pieces of work, though, were relatively small-scale.

不过，这些工作都是相对小范围的。