查询词典 trace elements

In addition, there are many special elements, such as axisymmetric elements for situations in which the geometry, material and boundary conditions are all symmetric about an axis.

此外，还有许多特殊的因素，如轴对称要素的情况下，几何形状，材料和边界条件都是一个轴对称。

The system mainly consists files and maps of basic graphics system, graphics elements (possess for processing point, the line, face, network graphic elements), the graphics operations (possess for blowing up graphics and dwindling graphics, movement, backdate and other operational functions), graphics import and export (possess for the mouse coordinate mapping,graphics data coordinate imported), conventions and the use of line-type, the son-graphics of filling the function module, to achieve the basic functions of the vector graphics.

本系统主要包括基本图形系统的文档和视图、图形元素（具备处理点、线、面、网络等图形元素）、图形操作（具备图形的放缩、移动、回溯等操作功能）、图形输入和输出（具备鼠标交互绘制、图形数据交互输入）、定制和使用线型、子图填充等功能模块，能够实现基本的矢量图形的所具有的功能。

The method comprises the following steps: according to the raw water quality, the change of the number of bacteria inside the sedimentation tank and the water quality of the backflush yielding water, the backflush yielding water in the sedimentation tank is collected and deposited in a backflush phase of a working period; supernatant fluid containing mass active bacteria and soluble nutrient elements reflow to the sedimentation tank; total or partial sediment containing soluble nutrient elements in an underlayer reflow to the sedimentation tank and is reutilized by mass microorganisms in the sedimentation tank, thereby replenishing the nutrient substrate needed for microorganism growth, proliferation and metabolism under the condition of the low nutrition substrate, and maintaining the ecological stability in the sedimentation tank.

该方法根据原水水质和生物滤池内部细菌数量的变化以及反冲洗出水的水质，将生物滤池工作周期中反冲洗阶段的反冲洗出水收集并沉淀，将其含有大量活性细菌和溶解性营养元素的上清液回流至生物滤池，下层含有不溶性营养物质的沉淀全部或部分回流至生物滤池，被生物滤池当中的大量存在的微生物重新利用，从而补充在低营养基质条件下，微生物生长、增殖和新陈代谢所必需的营养基质，维持生物滤池当中的生态稳定。

Its major feature is to reduce EMS memory allocation greatly by the help of two one dimensional arrays: one is used to deposite the elements within the band width of the matrix at input stage and latter store the elements within the band width of cholesky lower triangle matrix at output sta.

作者针对地球物理数值模拟中常碰到的大型稀疏变带宽方程组的求解问题，介绍了一种大型稀疏变带宽矩阵的存储方法及 Cholesky分解法。

As the earth then occupies its three-dimensional phase of experience in our own solar system, and as each of those companions that are about the solar system represents as it were one of the phases of our conscience - the elements of our understanding - or our senses; then they each in their place, in their plane, bear a relationship to us, even as our desires for physical sustenance; that is: foods for the body; with all of the attributes, all of the abilities to take that we feed upon and turn it into elements for our body.

在太阳系中，地球是三维空间的，代表了我们意识范畴内的三个层面---理解的基本元素---或感知。他们中的每个方面均与我们相关，例如我们身体的基本欲望：食物为了生存，喂养我们的身体。

The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements.

近20年由於「气相同位素比值质谱仪」的改良和氢、氧、碳、氮和硫等稳定同位素的广泛研究，稳定同位素的研究技术已实质增加我们对於这些元素在自然生態系中生地化循环的瞭解。

I wanted these elements to embody the Chinese bird and flower painting elements.

我是想把这些元素与中国花鸟画的元素相结合。

Ten parameters of Doyle-Turner expression of scattering factors have been accurately fitted, which include the elastic scattering factors of 98 elements crystals, TDS absorptive scattering factors of 43 elements crystals and absorptive atomic scattering factors of 17 important materials with the zinc blende structure.

对CCD相机的几何畸变进行了矫正。通过对高能电子衍射理论及散射机制的阐述，一方面利用模拟退火算法对原子的弹性和非弹性散射因子进行含10个参数的Doyle-Turner表示的拟合。

China began to use the advanced elements of the proletarian world outlook as a tool to observe the fate of the country. Li Dazhao in November 1918 issued a "victory for common people","the victory of Bolshevism," such as text, on behalf of China's advanced elements of the new awakening.

中国的先进分子开始用无产阶级的宇宙观作为观察国家命运的工具。1918年11月李大钊发表的《庶民的胜利》、《布尔什维主义的胜利》等文，代表了中国先进分子的新觉醒。

Among the elements of a Boolean algebra are two distinguished elements:0,corresponding to the empty set;and 1,corresponding to the universal set.

在布尔代数的元素中有两个突出的元素：0，对应于空集；1，对应于全集。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。