... 单射对象 injective object 双向单射 bijectivemapping ; bijection 单射柱 single beam ...
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单柱塞喷射泵 unit pump
单形映射柱 simplicial mapping cylinder
非单能射柱 heterogeneous beam
单射柱
Simple beam
以上为机器翻译结果，长、整句建议使用 人工翻译 。
半导体激光器发出的激光经过柱透镜形成一出射光片。它与母材成一定角度投射到接头上，光片与搭接接头会成一单光纹，而母材垂直上方的CCD摄像机拍摄折线光纹，同步送计算机处理。
The light-plate that is shot by semiconductor laser comes to a certain Angle to throw overlap joint, which brings a single vein of light, and CCD camcorder shoots and sends it to the computer.
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