There exist little change both between species composition and quantity for 12 years fore - and aft 无论从种类组成，还是数量上看， 12年前后变化不大。
Sir , we are falling out of orbit . all aft control cells are dead . the ship is breaking up 长官,我们正在脱离轨道.所有船尾控制系统都瘫痪了.这艘船正在分裂
The species diversity of tree that birds feed on does not change significantly between 12 years fore - and - aft 鸟类取食树种的多样性( h ’ )在12年前后没有变化。
This dredger is made of steel , single deck , box - type bow stern , single engine , single rudder and aft - engined vessel 本船为钢质单甲板箱形船艏艉机型单机单舵船型。
This instrument can automatically turn sphere , cylinder and axis to zero at the fore - and - aft point of operation 仪器可自动将球镜度柱镜度和轴位复零，每次检测前也可自动复零。
One is the active fourier telescopy ( afterward named “ aft ” for short ) , another is “ spectrum shifting ” 一种是主动式傅立叶望远术(以下简称“ aft ” ) ,另一种是“频谱搬移法” 。
When the electrical harnesses came to be fitted in the forward and aft fuselage sections , many didn ' t connect with each other 当电线束安装在机舱的前后部时，许多电线束连接不上。
This paper describes an accurate and practical hydroelastic analysis software system for calculating the aft - part vibration of ships 介绍一个实用的舰船尾部振动水弹性分析软件系统。
It is located at the aft of the spacecraft and flanked by a pair of solar panels with a total area of 24 square meters 它位于太空船后部，舱外装有一对面积为24平方米的主太阳能电池阵。
Starting with airfoil 2 , the pitching moment is increased from - . 15 to - . 25 to provide more aft loading and aft camber 从翼型2俯仰时刻由原来的15年至今25年至今,以提供更多后部后部拱落
