null tetrad是什么意思 null tetrad的中文翻译、读音、例句

null tetrad在英语中代表"类光四维标架"的意思，还经常被翻译为类光四维标架，单词读音音标为[nulltetrad]，null tetrad常被用作名词，在《现代英语词典》中，共找到92个与null tetrad相关的例句。

Null tetrad的释义

1.类光四维标架

例句:The value for the first key is 4 bytes long and it is entirely NULLs. (第一个键的值为 4 字节且其完全为 NULL。)

用法及短语

null tetrad一般作为名词使用，如在tetrad(四个一组 )、dummy tetrad([计] 虚假四位二进制, 仿真四个脉冲组)、equianharmonic tetrad(等交比拼四小组)等常见短语中出现较多。

例句

1. The null hypothesis is that there is no difference between predicted and calculated IEI values. (翻译:预测的和计算的IEI值没有差别的假设是无效的。)

2. Micronucleus and a lot of abnormal cells can be observed at dyad, tetrad and microspore. (翻译:二分体、四分体和小孢子时期，细胞内普遍观察到微核，且出现大量异形细胞。)

3. If any one of these parameters is NULL, the corresponding OLE DB initialization property is not set. (翻译:如果其中任一参数为NULL，则不设置相应的OLEDB初始化属性。)

4. The micronuclei were not observed in tetrad stage. (翻译:四分体阶段无微核出现。)

5. Microspore abortion occurred after the tetrad formation. (翻译:小孢子败育发生在四分体形成以后。)

6. Using null values in together with IN or NOT IN can produce unexpected results. (翻译:将空值与IN或NOTIN一起使用会产生意外结果。)

7. By default, a column can contain a NULL value, but if you don't want that, you can append the "NOT NULL" postfix to the field definition. (翻译:默认情况下，列可以包含NULL值，但是，如果不想这样，可以在字段定义中附加“NOTNULL”后缀。)

8. At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared. (翻译:四分体时期出现二分体、三分体、含微核的异常四分体及多分体。)

9. That vector is called a "null vector". (翻译:那种矢量就叫做”零矢量“。)

10. (As we've seen above, fgets returns NULL while getc returns EOF.) (翻译:正如我们在上面看到的，fgets返回NULL而getc返回e OF。)

11. Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type. (翻译:大孢子四分体为线形，合点端功能大孢子发育成为蓼型胚囊。)

12. That the union between king Henry of England and Katherine of Aragon is declared null and void. (翻译:与阿拉贡的凯瑟琳的婚姻无效 And Katherine of Aragon is declared null and void.)

13. The number of NULLs in the column. (翻译:列中null值的个数。)

14. The contract was declared null and void. (翻译:合同被宣布无效。)

15. A value of NULL fails the test and the code inside the if. End if statement is not executed. (翻译:值为NULL会导致测试失败并且不执行if.endif语句中的代码。)