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TranslationMobile

"null" in Chinese : adj. 1.無(wú)效力的，無(wú)束縛力的。 2.無(wú)效的，無(wú)用的 ...
"set" in Chinese : vt. (set; setting) 1.放；擱；貼；靠 ...
"null-set" in Chinese : 零集
"empty set＝null set" in Chinese : 空集
"null set (empty set)" in Chinese : 空集
"function theoretic null set" in Chinese : 函數(shù)論的零集
"l null set" in Chinese : l零集
"null data set" in Chinese : 空數(shù)據(jù)集, 偽數(shù)據(jù)組; 空數(shù)據(jù)組; 偽數(shù)據(jù)組
"null off set" in Chinese : 零點(diǎn)偏移
"not null" in Chinese : 不能為空; 不為空
"null" in Chinese : adj. 1.無(wú)效力的，無(wú)束縛力的。 2.無(wú)效的，無(wú)用的，無(wú)益的；無(wú)價(jià)值的。 ...
"aural null" in Chinese : 零聽(tīng)度; 聽(tīng)覺(jué)零點(diǎn); 聽(tīng)力零級(jí)
"be null and void" in Chinese : 無(wú)效的
"bearing null" in Chinese : 零方位角
"cone of null" in Chinese : 靜錐區(qū)

If a set contains no elements we shall designate it by Ф and define it as the empty or null set .
如果一個(gè)集合不包含元素，我們就把它記為，且定義它為空集或零集。
Set null sets the value to null if all foreign key columns for the table can accept null values
設(shè)置空如果表的所有外鍵列都可接受空值，則將該值設(shè)置為空。
If an update to a row violates a constraint or rule , violates the null setting for the column , or the new value is an incompatible data type , the statement is canceled , an error is returned , and no records are updated
如果對(duì)行的更新違反了某個(gè)約束或規(guī)則，或違反了對(duì)列的null設(shè)置，或者新值是不兼容的數(shù)據(jù)類型，則取消該語(yǔ)句、返回錯(cuò)誤并且不更新任何記錄。
The practice proved uses the hot tubular real null set to be hot the solar energy air conditioning technology plan which and the absorption type refrigerator unifies is successful , it opened a new application domain for the solar energy light heat utilization technology
實(shí)踐證明采用熱管式真空集熱器與吸收式制冷機(jī)相結(jié)合的太陽(yáng)能空調(diào)技術(shù)方案是成功的，它為太陽(yáng)能光熱利用技術(shù)開(kāi)辟了一個(gè)新的應(yīng)用領(lǐng)域。