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sample number中文是什么意思

  • 樣本數(shù)
  • 樣品簿
  • 樣品號(hào)碼
  • 樣品數(shù)

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  • 例句與用法
  • We need to double the random - sample number to ten per batch of 100
    我們隨機(jī)抽樣必須增加一倍,每批一百件抽檢十件。
  • According to the ideas of the pava algorithm , when sample numbers of three normal populations are different , a procedure of obtaining the maximum likelihood estimators of means and standard deviations under tree - order restrictions is proposed
    根據(jù)pava算法的思想,給出了均值和標(biāo)準(zhǔn)差的比在樹(shù)序約束下的極大似然估計(jì)的計(jì)算方法。
  • The results show that the optimal stopping rule for our proposed sequential sampling plan can effectively reduce the average sample number and thus achieve a minimum total loss under the reasonable type and errors
    研究結(jié)果顯示在合理的型誤差及型誤差下,本研究所提出的抽樣計(jì)畫(huà)停止法則可有效降低平均抽樣數(shù)使抽樣總成本達(dá)到最低。
  • However , when the system sample number and the number of antenna array elements are finite , or snr is low and the incident signals are correlated or coherent , the performance of the algorithm sharply decreases and the algorithm even becomes invalid
    但是當(dāng)系統(tǒng)樣本數(shù)、天線陣元數(shù)有限,信噪比較低以及入射信號(hào)為相關(guān)或相干信號(hào)時(shí),算法性能急劇下降甚至失效。
  • By using powerbuilder 7 , inquiry through a clue of combination of conditions including structural tree , strati graphic tree , well number tree and sample number tree is realized , which meets the thinking way of geologists
    以構(gòu)造樹(shù)、地層樹(shù)、井號(hào)樹(shù)、樣品編號(hào)樹(shù)為數(shù)據(jù)導(dǎo)航線索,利用powerbuilder7數(shù)據(jù)庫(kù)開(kāi)發(fā)工具,設(shè)計(jì)了符合地質(zhì)人員思維觀念和使用習(xí)慣的樹(shù)狀組合條件查詢。
  • The simulated result shows that , comparing with cumulants , this algorithm is not affected by different structure of the system , not needed to calculate the higher - order cumulants of the sampling , the sampling number requirement is small , and its realization is convenient by using computer
    仿真結(jié)果表明,與常用的高階矩法相比,該方法具有不受系統(tǒng)結(jié)構(gòu)影響,不需要計(jì)算樣本數(shù)據(jù)的高階統(tǒng)計(jì)矩,使用的樣本數(shù)據(jù)量少,便于用計(jì)算機(jī)實(shí)現(xiàn)的優(yōu)點(diǎn)。
  • Note 7 - remarks as to the origin may take the form of a boring number and sample number in conjunction with a job number , a geologic stratum , a petrologic horizon or a location description with respect to a permanent monument , a grid system or a station number and offset with respect to a stated centerline and a depth or elevation
    注7 -對(duì)于原狀樣的記號(hào)可以采用下面的形式,一個(gè)鉆孔編號(hào)和一個(gè)樣品編號(hào)聯(lián)合一個(gè)工作編號(hào),一個(gè)地質(zhì)地層,一個(gè)巖石層位或者一個(gè)考慮為永久界標(biāo)的原地描述,一個(gè)柵格系統(tǒng)或者一個(gè)測(cè)站編號(hào)和考慮到規(guī)定的中心線和深度或海拔的偏移量
  • Fifthly , using uniformly orthogonal design theory to arrange the four - lever temperatures and four - lever vibration stress , catch an excellent accelerated life text plan , which make the estimate value have the well precision in normal stress lever , at the same time that can reduce the sample number and shorten the test time
    第五,運(yùn)用均勻正交設(shè)計(jì)對(duì)環(huán)境溫度和振動(dòng)應(yīng)力的四個(gè)應(yīng)力水平值進(jìn)行合理搭配,得到一組較優(yōu)的加速壽命試驗(yàn)方案,在減少樣本數(shù)量、縮短試驗(yàn)時(shí)間的同時(shí)使產(chǎn)品在正常應(yīng)力水平的壽命估計(jì)值具有較高的精度。
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