L/D Light Duty (Emissions)是什么意思

网络释义

用法例句

A numerical method for simulating launch process of two-stage light-gas gun is established.

建立起模拟二级轻气炮发射过程的数值方法。

Based on establishing a mathematical model for launching process of two-stage light-gas gun and computing it numerically, the theoretical computation is accomplished.

通过建立数学模型,运用数值计算方法进行求解,实现了二级轻气炮发射过程的理论计算,并以25mm/100mm二级轻气炮为基本模型,计算了其在多种不同结构参数和装填条件下的一系列发射过程。

Two-stage light-gas gun is a firing system which can obtain high velocity of projectile by high temperature and low molecular weight medium expanding to force projectile moving.

二级轻气炮是一种利用高温低分子量气体工质膨胀做功的方式来推动弹丸,使弹丸获得极高速的发射系统。

The launching technique to enhance the projectile velocities of a two-stage light gas gun was studied in this paper.

本文研究了提高二级轻气炮弹丸速度的发射技术途径。

Use of two-stage light gas guns is one of the techniques extensively used to achieve hypervelocity projectiles.

二级轻气炮是超高速弹丸驱动技术中使用最广泛的技术之一。

1 km/s by using the two-stage light gas gun to penetrate a semj-infinite-thick steel target with incident angle θ=0°～85°.

利用二级轻气炮将直径４ｍｍ、长４０ｍｍ的圆往形钨杆加速到１。

Impact-damage experiments on limestone specimens were carried out on one-stage light-gas gun.

利用一级轻气炮对石灰岩试件进行冲击损伤实验,采用锰铜压力计对冲击波作用过程进行压力测试,对冲击后的试件进行声波探测和剖切观察,研究石灰岩冲击损伤与破碎特征。

Study on Launching Technique and Design of Small Two Stage Light Gas Gun;

小口径二级轻气炮设计与发射技术研究

Experimental Study on the Treatment of Secondary Effluents by Light Granular Ceramic BAF

轻质陶粒曝气生物滤池处理城市污水厂二级出水的试验研究

A warrant officer in the U.S.Marine Corps having charge of ordnance.

炮兵军士长美国海军陆战队中指挥使用大炮的二级准尉

A Study on Sabot Separation Technique in Light Gas Gun with Short Target Chamber

短靶室轻气炮实验中弹托分离技术研究

A second-grade wind makes the tips of the branches temble slightly.

二级风可以使树梢轻轻颤动。

two-stage stationary air compressor

二级固定式空气压缩机

two-stage rotary air compressor

二级旋转式空气压缩机

What is the grade-II weather like?

二级天气是什么样的？

Application of Light Air Cannon in the Design of Gypsum Building Material Silos

轻型空气炮清堵器在石膏建材料仓设计中的应用

A second grade wind makes the tips of the branches tremble slightly.

二级风可使树枝轻微颤动。

A small cannon in use from the15th to the17th century.

轻便炮15世纪至17世纪用的一种小炮

About 2 Light Jet Level Wellbead Precipitations the Design of the Programme of Construction;

关于轻型射流二级井点降水施工方案的设计

Retrofit of Forth- stage Valves for 4M22-154/162 Type CO2 Compressors

4M22-154/162二氧化碳压缩机四级气阀改造

A Study of Blood Types and Temperaments of Grade-2 Athletes

二级运动员血型与气质类型特征研究

Study on Vertical Dissolved Air Flotation Tank to Improve Secondary Effluent of Wastewater Treatment Plant

竖流式溶气气浮池提高二级出水水质的研究

The Gas-fluid Phase Separation Research on Middle level of Biogas Compressor

沼气压缩机中间级的气液二相分离研究

Determination of Trace Butadiene-1,2 in the Polymerzation Grade Butadiene-1, 3 by Secondary Gas Chromatography

聚合级丁二烯-1,3中痕量丁二烯-1,2的二次气相色谱测定

This year's target for air pollution control is to raise the rate of days with air pollution index equaling or bettering grade II to 55 percent.

今年大气污染治理目标继续提高，市区空气污染指数二级和好于二级天数要达到55%。