必要时

In this way, it is possible to control the height of the ACC deck over the whole time frame of the ACC installation and can be realigned if necessary.

这样在整个 ACC 安装过程中，ACC 平台高度可得到控制，必要时还可进行调整。

This shall be undertaken prior to initial use and reconfirmed as necessary.

确认应在初次使用前进行，必要时在确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

确认必须在初次使用前进行，并在必要时予以重新确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

确认应在初次使用前进行，并在必要时予以重新确认。

This shall be undertake n prior to initial use and reconfirmed as necessary.

确认应在初次使用前进行，必要时在确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

确认应在初次使用前进行，必要时再确认。

This shall be undertaken prior to initial use an reconfirmed as necessary.

确认应在初次使用前进行，必要时再确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

此项措施应在首次使用前被采取，并在必要时重新确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

确认应在初次使用进行，必要时再确认。

This shall be undertaken prior to initial use and reconfirmed as necessary.

此项活动应在首次使用前执行并在必要时重新确认。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。