例句與造句

1. The null subset corresponds to the term 1 .
   空集則對(duì)應(yīng)于常數(shù)項(xiàng)1。
2. The operator o is the null operator .
   算符O是零算符。
3. A promise obtained by force is legally null .
   一個(gè)以武力獲得的契約在法律上是無(wú)效的。
4. This check is null and void .
   本支票無(wú)效。
5. He was null .
   他是一個(gè)毫不引人注意的人。
6. It's difficult to find null in a sentence. 用null造句挺難的
7. The null result was directly related to a central postulate of the theory .
   零結(jié)果都直接與理論的中心假設(shè)相聯(lián)系。
8. The device provides extreme sensitivity through a small range around the null point .
   此裝置在零點(diǎn)附近很小一段范圍內(nèi)具有極高的靈敏度。
9. The zero or null matrix denoted by 0 is definde as a matrix all of whose elements are zero .
   如果一個(gè)矩陣的所有元素都為零，則稱(chēng)它為零矩陣。
10. A null output should occur when the core is at the center point between the two secondary coils .
    當(dāng)磁心位于兩個(gè)次級(jí)線(xiàn)圈之間的中點(diǎn)時(shí)，沒(méi)有輸出。
11. As a result, the denominator and numerator should be about equal if the null hypothesis is true .
    因此，如果無(wú)效假設(shè)為真，那么分母和分子應(yīng)該差不多相等。
12. The term null hypothesis arose from earlier agricultural and medical applic ation of statistics .
    無(wú)效假設(shè)這個(gè)概念產(chǎn)生于早期的統(tǒng)計(jì)學(xué)在農(nóng)業(yè)和醫(yī)學(xué)方面的應(yīng)用中。
13. 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。
14. Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis .
    無(wú)論何時(shí)，拒絕無(wú)效假設(shè)時(shí)，我們所接受的結(jié)論叫做備擇假設(shè)。
15. The null result of the michelson-morley experiment suggests that the effects of the ether are undetectable .
    邁克耳孫-莫雷實(shí)驗(yàn)的否定結(jié)果使人想到，以太的效應(yīng)是不能檢查到的。
16. The city manager should accept the null hypothesis that there is no difference between the two methods of tax listing .
    市政府官員應(yīng)該接受兩種征稅登記方法沒(méi)有差別這個(gè)無(wú)效假設(shè)。
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