line selection 中文意思是什麼
line selection
解釋
家系選擇-
It is differ both from the method of " circulate line selection " for seed reproduction and from the method of " pure line breeding " for varieties development
該方法既區別于單純生產原種的「株系循環法」 ，也區別于選育新品種的純系育種法。 -
" circulate line selection in double direction " is a new selection procedure combined multiplication of seeds and development of new varieties
摘要「株系循環雙向選優法」是將原品種繁殖與新品種選育相結合的新方法。 -
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。 -
An integrative device of single - phase grounding line selection and grounding current compensation in distribution network
配電網單相接地選線和接地電流補償一體化裝置 -
Wavelet analysis theory and its application in power system have been introduced briefly. this paper gives a general overview of various neutral grounding modes. some existing theories schemes on the fault line selection have been summarized systematically
文中簡要介紹了小波分析的理論基礎及其在電力系統中的應用現狀，概述了配電網中性點各種接地方式的優劣，系統歸納了現有的各種選線原理和方案的特點，提出了尚需解決的問題，並給出了分析的結論。 -
Chinese facilitators conferece 2003 on - line selection
華人引導者年會/傳真選課 -
Automatic line selection
自動選行 -
Scale choosing based on spectrum analysis in a novel wavelet principle for fault line selection
小波故障選線新原理中基於頻譜分析的尺度選擇 -
Application of signal injection method for fault line selection and fault point location in resonance grounding system
選線定位原理在諧振接地電網中的應用 -
The result from field test shows that the effect of compensation and the faulted line selection is very good
現場試運行結果表明，該裝置電容電流測量準確，補償效果好，選線準確。 -
The fault line selection matter in such system is one of the problems, which have not solved successfully for many years
小電流接地系統單相接地故障選線是多年來一直未能很好解決的一個難題。 -
Then the idea of integral control of automatic resonance and single - phase earth faulted line selection was put forward
並在此基礎上給出了補償電網中消弧線圈自動調諧與單相接地故障選線一體化的綜合控制思路。 -
The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system
小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究 -
This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved
針對小接地電流系統單相接地保護的運行進行了論述，並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點，建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置，以適應綜合自動化和現代化管理的需要，確保系統經濟、可靠、安全、穩定運行。 -
Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment
對小電流接地系統電弧故障的選線模擬是本文的重點，也是一個創新點，本文從研究的角度，在深入分析電弧接地時故障電壓、電流的特點和變化情況的基礎上，進行了大量的選線模擬，模擬表明電弧故障時，小波分析方法也能準確地選出故障線路，這對研製高性能的接地保護裝置將起到重要的指導作用。 -
It utilizes the vehicle on - way time composition, time delay model in crossroad, road line selection, and optimized approach calculation by urban road traffic net analyse model
在城市道路交通網路分析模型中分析了車輛在途旅行時間構成以及交叉口時間延誤模型、行車路線選擇及其最優路徑演算法。 -
The paper put forward new method for single - phase earth faulted line selection in a compensation network. they are separately based on active power 、 variety of residual current and wavelet
研究了自動補償電網單相接地故障選線的新方法? ?有功法，零序電流變量法、小波法。 -
The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network
文中說明了消弧線圈參數的選擇方法，闡述了微機控制器的工作原理，提出了在線測量補償電網對地電容電流以及控制串聯電阻的新方法，實現了補償電網自動調諧與單相接地選線的一體化。 -
Considering the actual condition and development of the 35kv distribution network in changzhi district ? a new type of automatic resonance devices with on - line tap - changer is developed for the capacitive current compensation and faulted line selection in case of an earth fault
結合長治地區35kv配電網的實際情況和發展趨勢，研製了新型調匝式自動跟蹤調諧消弧線圈接地補償裝置，用於補償電網單相接地故障時的電容電流和接地選線。 -
Chapter 4 discusses an optimal product line selection model which is based on choice data and then develops a modified model considering the possible violation on the basic assumption for discrete choice model and some applicable properties for practices. the last chapter focuses on the candy case with an effort of using these inferential results developed in this paper
最後以糖果產品為例，模擬進行了糖果產品離散選擇試驗和離散選擇模型的擬合，並通過改進型的產品線優化選擇模型為各細分市場選出了可以推出的最佳產品。
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