hatch number的意思|示意

The eggs hatch after 24 hours and the maggots eventually consume 60 percent of the body tissue over a number of weeks.

虫卵在24小时后会孵化，经过几周的时间，蛆虫会食用60%的身体组织。

Methods the mosquito eggs were set into the different salinity water and the hatch percentage of eggs, the growth of larvaes and the number of pupas were recorded.

方法将蚊卵分别放人不同盐度的水中孵化；观察不同盐度水中卵的孵化率、幼虫成活率及成蛹情况。

The frame number marks, made of steel plate shall be welded and painted on the hatch coaming and bulwark at the place of every 10 frame-space and at every bulkhead.

每隔10档肋位和每一舱壁处要用钢板割的肋位标记焊接到舱口围和舷墙上。