trace的例句大全

Study on solution of engaging tooth contact point trace line by network method

网络法求解相啮合齿面接触迹线的研究

To eliminate the chattering of variable structure control ( VSC) in missile servo system for attitude control, the control law was expanded from second-order to n order on the basis of status trace and variable plane included angle.

为消除导弹姿态控制伺服系统变结构控制中的抖振，在状态轨迹与滑动平面夹角变结构控制律的基础上，将原来的二阶系统扩展为n阶。

Determination of Trace Cyanide Ion in waste water by Using of Ion Selective Electrode

离子选择电极法测定污水中微量氰根

The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.

研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。

The existence of trace cupric is advantageous to phosphate rock decomposition and calcium sulfate crystallization.

微量离子态的铜的存在有利于磷矿的分解和硫酸钙的结晶。

Evaluation on Available Trace Elements in Cultivated Soil in Liaoning Province

辽宁省耕地有效态微量元素含量评价

The a breakthrough of paleomagnetism in the 1950s provided a more reliable method for determining the paleogeographic location of isolated continents and their relative positions, and to trace the processes of continental divergence, convergence and ocean crustal spreading.

20世纪50年代古地磁技术的突破为确定大陆的古地理位置、古陆块之间的相互关系以及大陆裂解和大洋扩张的历史提供了更有说服力的证据。

A new technique by computer has been used to trace fatigue growth of surface crack of out corner of cylindrical pressure vessel nozzles by using the methods of 1/ 4 displacement and finite element.

运用1/4点位移法和有限元技术对圆筒型容器接管外拐角表面裂纹扩展时应力强度因子的变化作了计算机数值跟踪。

Method for measuring trace gold with X-ray fluorescence after pre-enrichment is presented. The gold is enriched in a medium of 10% aqua regia in presence of Br 2 with polyurethane foam loaded with diphenylthiourea and methyl isobutyl ketone.

报道了在10%王水介质中，有Br2存在时用二苯基硫脲&甲基异丁酮泡沫塑料富集、X射线荧光测定痕量金的分析方法。

They can trace their lineage back to the 18th century.

他们的家族可以直接追溯到18世纪。

Relationship between Trace Elements in Fetal Cotyledon and Hair and Reproductive Adaptability in Tianzhu White Female Yak

天祝白牦牛母牛胎儿胎盘和被毛中的微量元素与繁殖适应性之间的关系

"Zi" is the trace formed under the effect of water, in Chinese traditional painting, "zi" is also a technique of painting, which makes use of water to create special and abundant artistical effects on paper or thin silk.

渍是在水的作用下形成的痕迹。在传统中国画里，渍也是一种绘画手法，利用水的独特性能，在纸或绢上创造特别而丰富的艺术效果。

Had me trace a black arrow, and research a company involved in armored car heists.

让我调查黑箭和一个涉嫌抢劫装甲车的公司

Ammonia is an important basic trace constituent in the atmosphere.

氨是大气中重要的碱性微量组分.

The arsenic is applied abroad, and is a toxic trace element, especially arsenite.

砷的应用范围广、毒性大，尤其是三价砷。

Measurement of trace aluminum in silicate sample by photometry based on di-bromo-nitro-azo-arsine

亚硝酸根的光度测定法二溴硝基偶氮胂光度法测定硅酸盐试样中的微量铝

But it is not possible to escape metaphysics and cease to trace nature back to terms of thought, by throwing ourselves into the arms of atomism.

但须知，人们一投入原子论的怀抱中，是不能避免形而上学的，或确切点说，是不能避免将自然追溯到思想里的。

Studies on the components of trace elements and macro elements in hemolymph of Anopheles ANTHROPOPHAGUS

嗜人按蚊血淋巴微量元素与常量元素的研究

Finally the method was applied to trace the balance of autonomic nervous in Atropin drag experiment.

最后将这种分析方法应用到阿托品药物实验中，跟踪分析了阿托品对自主神经的影响情况。

Real Tooth Contact Analysis of the Cylindrical Gears with Symmetrical Arcuate Tooth Trace

对称弧形齿线圆柱齿轮的真实齿面接触分析研究