This paper draws out a kind of more optimizing method in guidance control that guides the practical velocity to required velocity by controlling the practical thrust direction in accordance with ideal optimal thrust direction.
提出了一种更优化的导引控制方法——通过控制实际推力方向与理想最优推力方向一致,使导弹的实际速度达到需要速度。
When solving required velocity,It real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.
求解需要速度时,实时地考虑了地球扁率的影响,并给出了利用中间轨道法求解需要速度的过程。
In order to improve the calculation accuracy of required velocity,and efficiently control the hit accuracy of long-range ballistic missile,the paper presented required velocity compensation calculation model that is remarkably affected by the earth eccentricity,gravity anomaly and reentry resistance.
为了提高需要速度的计算精度,有效控制远程弹道导弹落点精度,通过分析地球物理摄动因素对远程弹道导弹落点精度的影响,提出了关于显著影响需要速度计算的地球扁率、扰动引力和再入大气阻力三个因素的补偿计算模型,并给出了仿真计算步骤。
Dummy aim calculation is needed in the close-loop guidance based on the requiring velocity,which only can be acquired by linearization the earth oblateness and reentry aerodynamic force influence.
基于需要速度的闭路制导要进行虚拟目标计算,在修正地球扁率和再人段空气动力的影响时通常只能采用线性化等简化手段,随着导弹技术的发展,由此而带来的方法误差所占比例必将增大。
The unset concrete is simply poured between formwork to the required thickness of the wall, as shown in Fig.3.
如图3所示,只需将搅拌好的混凝土浇注到模板中,达到墙体所需要的厚度即可。
With a knife, you can split a feather down the middle and then grind the base down to the thickness you want.
你可以用刀子沿着羽毛的中间将其劈开，然后把羽根打磨到你需要的厚度。
Meanwhile there exist many ofthe problems in entirety large depth base.
提出大厚度水泥碎石基层存在诸多需要研究解决的问题。
Doubling the third thickens the texture, and this is usually undesirable in simple four-part writing.
重奏三音可增加结构的厚度，在四声部写作中通常不需要这样做。
Thicker cuts will require longer curing.
较厚的牛肉片会需要较长的时间。
Those with a bigger lower lip tend to need more love.
下嘴唇厚的人则需要更多的爱。
To make a good-smelling cup of coffee also requires a scientific method.
要想煮出味道醇厚的咖啡，同样需要科学的方法。
Inserting a corded piping introduces bulk, which the machine presser foot is unable to surmount, therefore a special presser foot is necessary.
镶嵌滚边编带所产生的厚度是缝纫机压脚不能越过的,因此需要一个特殊的压脚。
A liquid styling tool that gives all hair types volume, shine and thickness.
▼纯净感受：一种液态式的造型工具，给予各种发型需要的丰盈支撑力，光泽与厚度。
Construction of the formwork and preparation of the metal reinforcement for shells required particular care and accuracy because of their limited thickness.
由于壳体的厚度有限，壳体的金属能加工制备与模板建造需要特别细心与精确。
This consists for the most part in straightening up, cleaning, and, on thicker plates above 5/16 in vee-ing the edges.
主要是矫直，清选，对于厚度超过5／16 英寸的金属板，还需将焊边做成v形坡口。
Type the thickness of the wall over which the door will be placed.
输入要在其上安装摆门的墙壁的厚度。
Type the thickness of the wall over which the shutter will be placed.
输入要在其上安装卷帘的墙壁的厚度。
Type the thickness of the wall over which the curtain wall will be placed.
输入要安装帘式墙的墙壁的厚度。
The subsidiary channels have a thickness in the range 6-12 m.
次要河道砂岩体的厚度为6-12米。
The continental crust is much thicker than average beneath the great mountain belts.
在高山地带下面的大陆地壳，其厚度要比平均厚度大得多。
The trees with thick cutin layer, high stoma density, thick stockade tissue, high ratio of stockade tissue thickness to sponge tissue thickness, and high sedimentation of leaf tissue structure are of greater drought resistance.
叶片厚度、尤其是角质层的厚度和海绵组织厚度是评价供试含笑抗旱性的重要解剖指标。
cm in thickness/a thickness of cm
厚4 厘米[4 厘米的厚度]