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- The state or quality of being null. 无效无效的状况或性质
- You need to filter the drinking water. 你需要把饮用水过滤。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- The act of making null and void. 废除使 ... 作废和无效
- The news of the defeat started to filter through. 战败的消息开始传出来。
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- The marriage was declared null and void. 婚姻已宣告无效了。
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- The filter cleans the fuel before it enters the engine. 在燃料进入发动机之前，过滤器先把它过滤。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- 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 filter 零值滤波器
