Average precipitation is not more than 140 mm annually .

年平均降水量不足140毫米。

Choose a display with a dot pitch of . 28 Mm or smaller .

所以可以选择一个28毫米点距甚至更小点距的显示器。

Luckily , the fish only grows to a maximum of 16.7 mm .

幸运的是，这种鱼只能长到16.7毫米长。

At maturity , the fish can be about 7.9 mm in length .

这种鱼在成熟期约长7.9毫米。

Measuring 6 mm and weighing just 0.029 grams , they are perfect miniatures of their parents .

虽然身长6毫米，体重0.029克，他们是他们父母完美的缩小版。