neutral wedge

• 中性劈

neutral wedge的用法和样例：

例句

1. Along the length of the filter, the interference film looks like a wedge.
   沿薄膜的长度方向看干涉膜似尖劈。
2. Some shock-induced combustion wedge experiments with the high speed schlieren technology are conducted and the premixed heater is validated.
   在超声速气流中加入斜劈采用纹影技术进行激波点火实验，并验证了当前的预混加热器设计是成功。
3. When the density step wedge has been properly exposed, the film is then processed.
   当密度阶梯光楔被正确曝光后，即把胶片冲洗出来。