Research on the Optimal Control of the Vertical Launching Anti-aircraft Missile;
防空导弹垂直发射的最优化控制研究
The hydrodynamic computation on moving base vertical launching of underwater missile
导弹水下动机座垂直发射过程的水动力计算
The calculation model of abnormal forbidden zone for long range vertical launching ship-to-air missile was researched.
阐述了远程垂直发射舰空导弹非正常禁区的计算模型,通过对导弹运动学弹道及破片飞散区的计算得到了导弹高空及低空飞行时射击禁区的最大侧向边界、纵向边界和后方边界,解决了非正常射击禁区难以确定的问题,对部队作战训练及作战使用具有重要指导意义。
Study on interior trajectory for vertical launch under deep - sea;
深海垂直发射内弹道研究
The calculation model of shooting forbidden zone for long range vertical launch ship-to-air missile is put forward.
提出了远程垂直发射舰空导弹射击禁区的计算模型,根据破片飞散区及导弹射击误差原理计算得到了不同高度、射程条件下的射击禁区的最大侧向边界、纵向边界和后方边界。
At first the ballistic model of rocket projectile vertical launch is established,then it researches lift-to-drag ratio and influence of the angle of flight path on the firing range.
首先建立了火箭弹垂直发射的弹道模型,然后研究了升阻比、弹道倾角等参数的变化对火箭弹射程的影响,并分别对这两种情况进行了仿真。
Numerical simulation and experimental study of the direct evaporation ice making process outside tubes;
直接蒸发式管外结冰过程的数值求解和实验研究
The Experiment and Simulation Study of Process about High Density Direct Evaporation Ice-on-Coil Thermal Storage;
高密度直接蒸发冰盘管蓄冷过程的实验与模拟研究
The Experiment Study of Process about High Density Direct Evaporation Ice-on-Coil Thermal Storage;
高密度直接蒸发冰盘管蓄冰过程实验研究
Economic evaluation and influence factors analysis on biomass combustion for power generation;
生物质直燃发电经济性及影响因素分析
I used to have straight hair, but now I want to have a change.
我过去一直留直发，但现在想换个发型。
I have been having pains in my chest recently .
近来我的胸口一直发痛。
They all shivered with cold.
他们都冷得直发抖。
an alternating [a direct] current dynamo
交流 [直流] 发电机
From "TV Transmission" to a Live Radio Programme;
从“直播”到直播——论电视新闻现场直播的发展阶段
To straighten(hair) by a chemical process; conk.
使卷发变直通过化学程序把（卷发）弄直；把卷曲的头发弄直
to straighten one's hair
弄直头发[用化学方法
generating set, steam turbine, direct current
蒸汽轮机直流发电机组
We simply could not start the engine.
我们简直不能发动引擎。
My voice almost broke.
我的声音都发直了。
Lynn has long, straight, red hair.
林恩有长而直的红发。
The master's arm performed until it was tired,
老师直打得胳膊发累，
DC electroluminescent phosphor
直流电致发光荧光粉
Vertical angle of maximum candlepower emission
最大发射光线的垂直角
contact that occurs when two people look directly at each other.
直视对方时发生的联系。
direct-expansion refrigerating plant
直接蒸发式冷冻装置
transmitter collimating optics
发射器准直光学装置
his hair was straight and it was dark, very dark.
他是直头发，黑色的，很黑。