secondary sample 中文意思是什麼
secondary sample
解釋
二次取樣-
In most recent studies, researchers have analyzed aluminum - rich minerals such as anorthite and hibonite using an ion microprobe, which bombards a sample with a focused ion beam to release secondary ions from the sample ' s surface
在最新的研究中，科學家使用離子微探針來分析鈣長石、黑鋁鈦鈣石等富含鋁的礦物，以聚焦的離子束撞擊樣本，使樣本表面釋出次級離子。 -
The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained
提出了一個改進型的次級電子倍增研究模型，利用蒙特卡羅法生成的隨機樣本來求解這個模型，得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。 -
At last, the article takes shanghai ’ s foreign capital and employment conditions in the secondary industry as a sample, makes an empirical analysis with econometric instruments
然後以上海第二產業的外資與就業情況作為樣本，運用計量工具進行了檢驗。 -
Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality
為保證調查取樣的代表性，本研究採用分層隨機抽樣法，即按照重點學校和非重點學校，非重點學校又分為較好的學校和較差的學校的標準，在全市中學中隨機抽取300名一線教師，進行實測。 -
This thesis aims to study the language learning strategies deployed by a sample of chinese secondary students, with the hope of finding certain pattern of language learning strategy use for chinese secondary students and hence making strategy training and english learning and teaching more effective
本文旨在調查研究中國中學生學習策略的運用情況，以期探索出中國中學生所運用的語言學習策略模式，從而能更有效地進行策略培訓和促進英語教學。 -
The data for the study is taken from the answers to questionnaires dispatched to the teachers and students under study. the statistical method used is simple random sampling. the sample size is 223 junior - secondary students ( 119 males and 104 females ) and 27 teachers ( 11 males and 16 females )
女生104人） ，及教師共27人（男教師11人，女教師16人） ，以隨機抽樣方式進行問卷調查，並利用spss10 . 0作為分析工具，採用因素分析、 f檢驗、卡方分析、兩兩相關等方法對問卷資料進行了統計分析。 -
Abstract : abstract ： the status and trend of the ic failure analysis technology in china was reviewed with practical cases ， including nondestructive failure analysis ， signal tracing ， secondary effect ， sample preparation and back side failure location
摘要：摘要：通過實例綜述了目前國內集成電路失效分析技術的現狀和發展方向，包括：無損失效分析技術、信號尋跡技術、二次效應技術、樣品制備技術和背面失效定位技術，為進一步開展這方面的工作提供參考。 -
After the host computer sends the broadcast command to order measurement operation, all slave devices will start to sample the input signals synchronously. when the sampling operation has finished, devices installed on the capacitive equipments will calculate the phase angle difference ( oi ) between leakage current and the reference voltage signal, and devices installed on pt will calculate the phase angle difference between secondary voltage and the reference voltage signal ( ou )
我們把一個50hz的交流基準電源引到每臺下位機內，主機發布一個廣播命令要求pt和電容型設備上的監測裝置同時采樣，電容型監測裝置計算出泄漏電流和基準源之間的相位差_ （ oi ） ， pt上的裝置計算出二次電壓與基準源之間的相位差_ （ ou ） 。 -
One diffraction peak of the secondary phase was found in the xrd spectrum of sample annealing at 850 for 15s
在850 + 15s退火處理的樣品中發現了第二相形成的衍射峰。 -
This study discusses the main difficulties and countermeasures in the case recruitment of large sample, multi - center clinical trials according to the national research project " myocardial infarction secondary prevention study in traditional chinese medicine "
本文旨在以國家「十五」攻關課題「茂參益氣滴丸對心肌梗死二級預防的臨床試驗研究」為主線，探討在大樣本、多中心臨床試驗病例募集工作中的主要困難及相應的解決辦法。 -
It is found out through the study on soil seed bank of seabuckthorn community and standing vegetation that along with the increase of secondary reclamation time of sample lands, the increasing trend of index of diversity of species is decreased
但是通過對沙棘群落土壤種子庫和地上植被的研究發現，隨著樣地復墾時間的增加，其物種多樣性指數的提高趨勢下降。 -
Listing 2 is a sample migration path for a simple concept, with multiple secondary headings
清單2是簡單概念的遷移路徑，包含多個二級標題： -
( 3 ) combining secondary genetic algorithm with l - m algorithm in toolbox and thinking about effects of partial forecasting sample in adaptive value, the thesis redacts improved genetic neural network procedure in order to pick up faculty of learning and generalization and running velocity
（ 3 ）與工具箱的l - m演算法結合編寫了改進遺傳神經網路ga - lm程序，綜合考慮了部分預測樣本對適應度函數的影響，提高了網路的學習、泛化能力及運行速度。
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