1.
(4) explosive package projectors -- shooting packages of explosives from missile-projectors or mortars to destroy the enemy's defences;
（4）抛射炸药包——利用抛射筒或迫击炮发射炸药包，破坏敌人防御工事；
2.
The primary mirror. This is the paraboloidal mirror at the bottom of the tube. It has an aluminized surface that reflects starlight to form an image at the focal plane.
主镜。是位于镜筒底部的一块抛物面镜。表面镀铝膜，将星光反射到焦平面上成像。
3.
drum ,rotating, for descaling, desanding or packing of goods
金属物品除垢、除砂或抛光转筒
4.
Construction techniques of shaft water control by sanding and grouting at hydrostatic level
静水抛砂注浆治理井筒突水施工技术
5.
dropping satellite
(由运载器抛落的)抛射式卫星
6.
launcher cartridge access
发射架火药筒检查口
7.
cylinder canal-jet dyer
圆筒形管道喷射染色机
8.
A fool's bolt it soon shot.
蠢兵乱射箭，箭筒很快空。
9.
the velocity of a projectile
一个抛射体的速度.
10.
The angle of projection affects the answer.
抛射角对结果有影响。
11.
Horn parabolic reflector antenna
喇叭抛物反射面天线
12.
the parabolic reflector of a searchlight
探照灯的抛物面反射镜
13.
Simulate the Projectile Motion with Visual Basic;
用Visual Basic模拟抛射体运动
14.
a parabolic reflector for light radiation.
反射放射光线的抛物面反射器。
15.
The launching of a missile, rocket, or similar ballistic body.
发射导弹、火箭或类似抛射物的发射
16.
Trapshooting: The sport of shooting at clay targets thrown into the air by a trap.
抛靶射击：对准从抛靶器抛出的飞碟进行射击的竞技运动。
17.
our Men cast them a Rope over the Stern with a Buoy to it,
我们则从船尾抛下一根带有浮筒的绳子，
18.
To give a glossy finish to(paper)by pressing between metal sheets or rollers.
电镀通过金属板或滚筒之间的挤压给（纸）抛光