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- As one of the most promising methods in all the interferometric null tests, computer-generated holograms (CGH) can also be used in unsymmetrical aspherical surfaces testing. 作为零位干涉检测方法中非常有前途的一种方法,计算全息可以用于非旋转对称的非球面的检测。
- DESIGN OF DALL COMPENSATOR FOR ASPHERICAL SURFACE NULL TESTING 非球面零检验的Dall补偿器设计
- The state or quality of being null. 无效无效的状况或性质
- We are testing the efficacy of a new drug. 我们正在测试新药的功效。
- The act of making null and void. 废除使 ... 作废和无效
- They were testing a new weapon then. 当时他们在试验一件新武器。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- Good teaching and good testing are closely related. 出色的教学工作与完善的测试制度密切相关。
- The device had undergone extensive testing. 这种装置经受过广泛的试验。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- The marriage was declared null and void. 婚姻已宣告无效了。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- The agreement was declared null and void. 这个协议被宣布无效。
- A promise obtained by force is legally null. 一个以武力获得的契约在法律上是无效的。
- The operator O is the null operator. 算符O是零算符。
- null testing 零位补偿检测
- Used for testing the evenness of sliver and roving. 用于检验条子及粗纱的条干均匀度。
- A null field descriptor is the descriptor that forms the blank division in export. 一个空白字段描述符是在输出中形成空格的描述符。
- The column '%.*ls' in table '%.*ls' cannot be null. 表 ''%253!'' 中的列 ''%251!'' 不能为空。
