In manufacturing reflex reflector injection mould by nickel electroforming technology, the mandrels are mostly made of metallic materials having high mechanical strength and corrosion resistance through precision machining in present.
利用电铸镍工艺制造来复反射器的模具 ,其芯模多采用高机械强度及高耐蚀性的金属材料经过精密机械加工制成。
9], Shi defined a congruent relation on the set of all presentations of a finite complex reflection groups G.
在有限复反射群的所有表出构成的集合上,时俭益定义了一个同余关系,并给出了群G_(12),G_(24),G_(25),G_(26)的所有不同余的本质表出。
7], Shi defined an equivalent relation on the set of all simple root systems of a finite complex reflection group G.
在有限复反射群的所有单根系构成的集合上,时俭益定义了一个等价关系,并给出了群G_(12),G_(24)的所有不等价单根系。
The classification of the presentations into congruence ones has been completed for themost complex reflection groups(see[1],[2],[6],[7]).
绝大多数复反射群的不同余表出类都已给出。
The reflected sound waves are then converted into a picture.
反射回来的声波然后转化成照片。
a sky wave that is reflected by the ionosphere.
通过电离层反射回来的天波。
The light that is reflected from the first layer of the surface (the “first-surface reflection”) makes the surface appear lighters, since light has been reflected without any part of it being absorbed.
从表面表层反射回来的光线（表层反射）使表面变亮，因为光线未被吸收就反射回来了。
Depending on the nature of the reflecting objects, the intensity of the reflected beam will vary.
随着反射目标的性质不同，反射回来的波束强度也就不同。
His voice reverberates from the high ceiling.
他的声音自天花板顶处反射回来。
a ball is thrown back by the wall it has hit.
小球被碰到的墙壁反射回来一样。
Impedance will reflect back as the square of the turns ratio.
阻抗将会按照匝比的平方反射回来。
The water reflected back the sunlight.
水将日光反射回来。
A sound made by taping on the hull of a ship will be reflected from the sea bottom .
轻叩船体发出的声响会从海底反射回来。
In turn, the earth radiates energy back into space.
反过来，地球会将能量辐射回太空。
Because the top layer is clear, light reflects through it and bounces back highlighting these scratches from behind.
因为底漆是浅色的，轻度的划痕会穿透它，将它们反射回来。
having a tendency to reverberate or be repeatedly reflected.
有反响的倾向或被再三反射、折回。
The sounds bounce off rock layers below the sea floor and are picked up by the phones.
声波从海底之下的岩层反射回来并由检波器接收。
In telephony, an interference due to reflection of the transmitted signal from the receiving end.
在电话技术中，由于发送信号从接收端反射回来而引起的干扰。
The retro-reflective material on this vest is mirroring incident illumination back to the camera's signal.
背心上的回射物质将入射光 反射到摄像机信号
the reflection of light from a white wall
从白墙反射过来的光
The mirror reflects light back to the scatter plate.
镜面把光反射回散射板。
Using the Force, a Jedi can predict and deflect incoming blaster bolts, and reflect them back at the firer.
运用原力，一个绝地可以预测到并抵挡射来的爆破光束，并把它们反弹回射击者身上。