sample n. 1.樣品,貨樣。 2.標(biāo)本;榜樣,實(shí)例。 3.【統(tǒng)計(jì)】典型取樣,抽檢查。 4.【電訊】信號(hào)瞬時(shí)值。 5.【冶金】 〔 pl. 〕 鋅華。 That is a fair sample of his manners. 那就是他的典型態(tài)度。 a light sample 光脈沖。 up to sample 1. 和樣品一樣[相符]。 2. 可以接受的,可以同意的。 vt. 從…取樣,從…抽樣;提供;貨樣;對(duì)…進(jìn)行抽樣檢查。
number n. 1.數(shù);數(shù)字;〔pl.〕算術(shù)。 2.(汽車(chē)等的)號(hào)碼;第…,第…卷,第…期〔通常略作 No. (復(fù)數(shù) Nos.),用于數(shù)字之前〕。 3.伙伴;號(hào)子,囚犯。 4.數(shù)目;〔pl.〕大批,數(shù)量上的優(yōu)勢(shì),許多,若干。 5.【樂(lè)、韻】音律,韻律;〔pl.〕【音樂(lè)】樂(lè)譜,調(diào)子,節(jié)奏,拍子;〔pl.〕【詩(shī)】詩(shī),韻文;【語(yǔ)法】數(shù)。 6.〔口語(yǔ)〕(從多數(shù)當(dāng)中挑選出來(lái)的)人,物。 7.一群人,一幫人。 cardinal [ordinal] numbers 基[序]數(shù)。 an even [odd] number 偶[奇]數(shù)。 a whole [an integral] number 整數(shù)。 the acid number 【化學(xué)】酸值。 the atomic number 原子序數(shù)。 a high [low] number 大[小]數(shù)。 the science of numbers 算術(shù)。 a telephone number 電話號(hào)碼。 the number of a car 車(chē)號(hào)。 a dead number 空號(hào)。 the April number (雜志的)四月號(hào)。 Nos. 1-5 第一號(hào)到第五號(hào)。 No. 9 (pill) 〔美軍〕百寶丹,清導(dǎo)丸,通便丸。 He is not of our number. 他可不是我們中的一分子。 He is among the number of the dead. 他也在死亡之列。 a number of books 許多書(shū)。 a great [large] number of people 很多很多的人。 the singular [plural] number 單[復(fù)]數(shù)。 a number of 若干;〔口語(yǔ)〕=numbers of 許多的。 back number 過(guò)了期的一期報(bào)刊雜志;過(guò)時(shí)的人或事物;落后、頑固、反動(dòng)的人物。 by number= in numbers. get [have] sb.'s number 〔美俚〕對(duì)某人的性格、動(dòng)機(jī)等作確實(shí)的估價(jià)。 have sb.'s number on it 〔美俚〕注定是某人死亡的原因。 in number 總共;用數(shù)字表示,在數(shù)字上。 in numbers (雜志等)分為數(shù)冊(cè),分?jǐn)?shù)次(The story is issued in numbers. 那部小說(shuō)是分冊(cè)出版的)。 in round numbers 以整數(shù)[約數(shù)]表示;約莫,大概;總而言之。 lose the number of one's mess 〔英海軍行話〕死,“報(bào)銷(xiāo)”。 make up by numbers 以多為勝。 number one 1. 頭號(hào)(的),第一流(的)。 2. 〔口語(yǔ)〕自己;自己的利益(take care of [look after] number one 替自己打算)。 3. 〔口語(yǔ)〕小便。 numbers pool 猜數(shù)字小賭博。 One's number is up. 〔俚語(yǔ)〕某人劫數(shù)[死期]已到。 one's number two 副手,副職,接班人。 one's opposite number 對(duì)等的人[物]。 out of [without] number(s) 無(wú)數(shù)的。 the numbers =numbers pool. There are numbers who .... …的人很多。 to the number of …多到。 win by (force of) numbers 靠人多得勝。 without [beyond] number=out of number. vt. 1.給…編號(hào)[記號(hào)數(shù),加號(hào)碼]。 2.達(dá)…之?dāng)?shù),共計(jì)…,(人口)有…。 3.算入…(數(shù))內(nèi);認(rèn)為 (among in with)。 4.〔主用被動(dòng)形〕已有限定,有限;〔古,雅〕數(shù),計(jì)算。 5.活了…歲,足…歲。 The guests number 20. 客人有二十位。 His days are numbered. 他(在世)的日子不多了。 vi. 算在…數(shù)內(nèi);計(jì);報(bào)數(shù)。 number off 〔上操〕報(bào)數(shù);〔口令〕號(hào)碼! n. -er 編號(hào)人;計(jì)數(shù)員。
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。