- adj.
1.无效力的，无束缚力的。
2.无效的，无用的，无益的；无价值的。
3.没特征[个性]的，没表情的。
4.〔罕用语〕不存在的，没有的；零(位)的；空的。n.
【数学】零，零位；空；【无线电】零讯号，微弱讯号。 a null indicator 零示器；零位指示器。 the null method 衡消法。 null and void 【律】无效；失效(This check is null and void. 本支票无效)。vt.
使无效。
下载手机词典可随时随地查词查翻译
null中文什么意思
例句与用法
- 更多例句： 上一页 下一页
- A clause assigning benefit of insurance of the goods in favour of the carrier, or any similar clause, is null and void .
将货物的保险利益让给承运人的条款，或任何类似条款，均属无效。 - The metaphase plate would thus be the null point between two equal but oppositely directed and acting groups of kinetochore tubules .
中期板大概是两个相等而方向相反的放射状着丝点微管群之间的平衡点。 - The factor which is most detrimental to the formation of the null voltage is the capacitive coupling between the primary and secondary coils .
对形成零电压最有害的因素是初线圈和次级线圈之间的电容耦合。 - The signal generator null sensitivity affects the accuracy and resolution of measurement because the gyro is an integrating device .
因为陀螺是一种积分装置，所以信号发生器的零位灵敏度影响测量精度和测量分辨度。 - If no argument is specified , a null value is used
如果未指定参数，则使用空值。
英文释义
名词- a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn''t hear zilch about it"
同义词：nothing, nil, nix, nada, aught, cipher, cypher, goose egg, naught, zero, zilch, zip, zippo
- lacking any legal or binding force; "null and void"
同义词：void
百科释义
NULL本意是“空的；元素只有零的”意思牛津词典编译出版委员会／著；曹书乐／译；《新牛津英汉双解大词典》[Ｍ]．上海外语教育出版社．
详细百科解释