fundamental constant 中文意思是什麼

fundamental constant 解釋
基本常數
  • fundamental : adj 1 基礎的，基本的，根本的，重要的；原始的，主要的。2 【物理學】基頻的，基諧波的；【音樂】基音...
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  1. In this master dissertation, under the fundamental frame of general relativity, we study the tachyon inflation, d - stars in the spacetime with a nonzero cosmological constant and it ' s observable effects by using some modern mathematical methods such as differential equation and qualitative analysis

    本文以廣義相對論作為基本理論框架，使用微分方程及其定性理論，研究了宇宙演化和結構中的兩個問題，其中包括了快子暴漲，非零宇宙常數時空中的d星以及它的種種可觀測效應。
  2. Lots of concrete examples are (, ) - metrics. and one of fundamental problems in finsler geometry is to find and study finsler metrics with constant ( flag ) curvature. on the basic, we majarly study the following problems in present paper : ( a ) to the property of a class of (, ) - metrics in which is parallel with respect to riemann metric a and riemann metric a is of constant curvature, we obtain the following theorem4. 3 let f (, ) be a positive definite metric on the manifold m ( dimm > 3 )

    在finsler幾何中，我們現在已知的finsler度量已經很多了，但大多數具體的例子主要都集中在（ ， ） ?度量中，又在finsler幾何中一個基本的問題就是去發現和研究具有常曲率的finsler度量，基於這些本文主要研究了以下一些問題： （ a ）一類關於是平行的並且riemann度量具有常曲率的（ ， ） ?度量的特殊性質，得到了如下的定理4
  3. 4. according to the cefgshg, the fundamental light radius was optimized when the length of bbo crystal was constant. 5

    根據所推導的高斯光束倍頻轉換效率公式，對bbo倍頻晶體在長度確定的情況下，對基頻光斑進行了優化。
  4. To be sensitive to and quickly come to grip with the development trend and requirements of our country ' s productive forces and take practicable steps to promote the constant development of the advanced productive forces by taking economic development as the central task and by formulating and implementing correct lines ， principles and policies these are the fundamental expression and fundamental requirements for our party to stand in the forefront of the times and maintain its advanced nature

    敏銳地把握我國社會生產力的發展趨勢和要求，堅持以經濟建設為中心，通過制定和實施正確的路線方針政策，採取切實的工作步驟，不斷促進先進生產力的發展，這是我們黨始終站在時代前列，保持先進性的根本體現和根本要求。
  5. The sturdy automation appliances not only meet the fundamental security requirement, also provide an integral automation solution which is highly energy - saving. with the abundant resource of teco group, sa shall expand its global branches to provide client - orient post - sale service. through constant innovation and investment in research, sa aspires to becoming one of the most outstanding business groups in the world

    在東元集團豐富資源的統合綜效下，電控事業部將擴大建立在歐美亞日的全球產銷據點，透過持續的創新及厚植研發技術，提供以顧客滿意為導向的產品及完善的售後服務，逐步實現成為世界知名一流品牌大廠。
  6. In a quantum world, at the most fundamental level everything is in a state of constant flux, even “ empty ” space, which is in fact filled with virtual particles that perpetually pop in and out of existence

    在量子世界中，所有的東西在最基本的層次上都會不停的變動，即使是在真空中，也有虛粒子不停地出現又消失。
  7. This paper contains three chapters. we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p. in particular, a sufficient condition for mn with constant scalar curvature to be totally umbilical is given

    討論desitter空間s _ p ~ （ n + p ）中具有平行的單位平均曲率向量的緊致類空子流形m ~ n的第二基本形式長度拼擠問題，給出了具有常數量曲率的這種子流形是全臍球面的一個充分條件。
  8. Unknown displacement and electric potential jumps in the integral equations are approximated with a product of fundamental density function and polynomials, in which the fundamental density function reflects singular behavior of electroelastic fields near the crack front and the polynomials can be reduced to a real constant under uniform loading

    超奇異積分方程中的未知位移間斷和電勢間斷近似地表示為基本密度函數與多項式之積，其中基本密度函數反映了橢圓片狀裂紋前沿電彈性場的奇異性，而多項式在均布載荷作用下可用一個常數來表達。
  9. Quality and trust are fundamental to our business. an emphasis on technology and talented personnel, constant striving for improvement, and creating value for customers, is our lifelong mission

    質量是我們的生命，誠信是我們的根本，重視科技，尊重人才，不求最好，只求更好，為顧客創造價值是我們永遠的承諾。
  10. Shanghai of the administer below the enterprise establishs line of business of casting of company of constant decelerate aircraft, constant peaceful factory of cent of gear of peaceful of factory of cent of component of metal of limited company, hengtai, constant, heng fengtai ( hungarian ) branch and southeast, medium south wait for key city, the product involves the trade such as environmental protection of project of fundamental industry, petro - chemical, smelt, food group

    企業下轄上海立恆減速機公司、恆泰鑄業有限公司、恆泰金屬構件分廠、恆泰齒輪分廠、恆豐泰（匈牙利）分公司以及東南、中南等重點城市辦事處，產品涉及到基礎工業、石油化工、冶煉工程、食品環保等行業群。
  11. To promote china ' s modern logistics industry, it is needed to not only stick with the constant development rules and pay attention to the macro - policy direction to make a good surroundings, but to take valid micro - measures together with set up conveniently and effectively fundamental logistics platform to make better the service level

    發展我國的現代物流業，不僅需要立足可持續發展的原則，加強宏觀政策指導以創造良好的宏觀政策環境，也要實施有效的微觀切入並搭建便利高效的基礎物流平臺以提升物流服務整體水平。
  12. This paper presents the construction, fundamental working principle as well as the design procedure of a 30kva power supply inverted by igbt of light adjustment with constant current for voyage aid of the airport

    本文介紹了30kva機場助航恆流調光igbt逆變電源的結構、基本工作原理及其設計過程。
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