useful properties 中文意思是什麼
useful properties
解釋
有效成分- useful : adj. 1. 有用的，有益的，有效的，有幫助的。2. 〈俚語〉值得稱贊的，精通…的 （at）。adv. -ly ,-ness n.
- properties : （特性）命令修改特性
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Convex sets and functions have many interesting and useful properties which are not explored in detail here.
凸集和凸函數具有很多重要的和有用的性質，在此不作詳細討論。 -
The concept is useful in assessing the large sample properties of econometric estimators.
在評價經濟計量估算值的大規模抽樣特徵時，這是一個有用的概念。 -
This can be useful when implicit evaluation of properties and implicit function calls is turned off
當關閉屬性的隱式計算和隱式函數調用時，這是很有用的。 -
The process of drawing can import many useful properties to a synthetic fiber.
拉伸處理能給合成纖維增添許多有用的性能。 -
The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward
用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。 -
Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。 -
Properties : a significant astringent effect, useful for inflamed and tender skin conditions, such as eczema. it is also valuable for damaged facial veins, varicose veins and hemorrhoids
特性:具極佳的收?作用，對發炎及敏感的皮膚，如濕疹有舒緩作用。對治療面部微血管破裂、靜脈曲張及痔瘡也有很好的療效。 -
Organic - inorganic assembly layered perovskite - type materials integrate useful organic and inorganic characteristics on a molecular level. the inorganic component forms an extended framwork bound by strong covalent or ionic interactions, and the organic component is filled in which and thus the organic layer and inorganic layer are alternately stacked. the materials have unique properties such as electronic, optic and magnetic properties, and there has been great interest in studying them recently
層狀類鈣鈦礦有機-無機分子組裝材料在分子水平上結合了有機組分和無機組分的有益特性，無機組分通過強的共價鍵或離子鍵形成擴展的骨架，並將有機組分填入框架中形成有機層與無機層交替的結構，具有某些電學、光學、磁學特性，引起人們的研究興趣。 -
The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency
研究結果表明：全液壓鉆機中應用電液比例技術，可以簡化系統組成和操作，提高鉆機自動化水平，提高系統效率，降低發熱和溫升；採用恆壓變量泵的給進加壓電液比例控制系統調壓性能穩定、響應快、節能效果明顯。 -
Organic - inorganic layered perovskite materials combine the useful characters of organic and inorganic compounds within a crystalline molecular level, where two - dimensional sheets of [ mnx3 ] 2 - are separated by organic cations. getting the useful characters is the purpose of assembling organic and inorganic compounds within a molecular level. thus the properties of materials and device can be designed and controlled
將有機組元和無機組元在分子水平上組裝的目的是能夠發揮兩種組元的性質特徵，使材料和相關器件的性能可設計且可控制，初步研究表明這類材料具有獨特的電學和光學特性，是一類新型功能材料。 -
The investigation presents a new method of dipping sic kiln furniture into 2 saturable solution or into the saturable solution of ca3 ( po4 ) 2 and a1po4 in order to beneficial to its crystalline structure change and its properties, to make it packed and decrease its porosity. it can also hinder the diffusion of oxygen so as to decrease the oxidation rate and lengthen the useful life. the mechanism of dipping two kinds of phosphate saturable solution were studied and proved by the results of scanning electron microscope
本研究首次採用sic窯具材料浸漬ca _ 3 （ po _ 4 ） _ 2飽和溶液和浸漬ca _ 3 （ po _ 4 ） _ 2與alpo _ 4混合飽和溶液的方法，目的在於有利於窯具材料晶相結構的轉化和性能的優化；能堵塞材料的氣孔，降低透氣率，阻礙o _ 2擴散，降低氧化速度，延長窯具材料的使用壽命。 -
Ema, assumes the components distributed in highly random fashion, is a useful method to treat the transport properties of granular composites, and the effective conductance of composites could to be derived sell - consistently by substituting the actual enviroment of the studied grain with effective medium
有效介質理論能夠有效地處理顆粒復合體系的輸運性質。它假設體系中各種組分以顆粒形態隨意分佈，用等效介質替代被研究顆粒外部的介質分佈，並且自洽地求出體系的等效電導率。 -
These technologies provide useful building blocks for monitoring and discovery, enabling us to define properties for which we can provide monitoring and discovery, as well as subsequent pull - and push - mode access, as we ll see here
這些技術為資源的監控和發現提供了有用的構建塊，並使我們可以定義一些監控和發現的屬性，以及隨后進行的推和拉模式的訪問，正如您將在本文中所看到的。 -
Steel, which has many useful properties, is widely used in the machine - building industry
鋼有許多有用的特性，所以它在機械製造業中得到了廣泛的應用 -
A series of research tests to zno elements have been made in order to solve this problem, and some very useful properties have been found
為了配合解決mov的均流問題，本文對mov閥片進行了一系列研究性試驗，得到了一些有價值的結論。 -
Some other useful properties for the
控制項的其他一些有用的屬性包括 -
Metal has many useful properties, of which strength is the most important
金屬有許多有用的性能，其強度是首要的。 -
Threads also contain a number of useful properties, as shown in the following table
線程也包含許多有用的屬性，如下表所示： -
Steel has many useful properties, so it is widely used in the engineering industry
鋼有許多有用的特性，所以它在機械製造業中得到了廣泛的應用 -
Like most metals, titanium is combined with alloying elements to make alloys of titanium that are stronger and have other useful properties
鈦合金和很多合金金屬一樣，也是由鈦與一些有用的金屬成份組成，以滿足對材料性能的要求，但
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