The collected resources are good to assist those wishing to trace their ancestry.
这些收集的资源有助于帮助那些希望追溯他们祖先的人。
Many methods can be used to analyze trace mercury after separation and enrichment.
痕量的汞经过分离与富集后，可以用多种方法进行检测。
Arsenic and selenium are considered to be toxic and volatile trace elements in coal.
砷和硒是煤中得易挥发有毒微量元素。
NUMERICAL MODELING TECHNIQUE OF SINGLE SCAN LINE METHOD TO ASSESS JOINT TRACE LENGTH
单测线法估算随机节理迹长的数值技术
None of them had ever tried very hard to trace their illustrious ancestor's background.
他们中间没有一个人真的想追溯他们显赫的祖先的历史。
But it turned out to be flashes of fireworks that blasted and vanished without a trace.
最终证明那不过是烟花般的一瞬，炸开以后，无迹可寻。
The adventitious roots of the burl formed closed to leaf gap and also beared on leaf trace.
节部不定根靠近叶隙，也与叶迹有关，根原基形成早。
The method was applied to determine trace copper and zinc in hair from patients with pelada.
斑秃患者头发中锌和铜低于正常人。
A indirect method of atomic absorption spectrophotometry to measure trace iodide is proposed.
本文建立了一种新得原子吸收光谱法间接测定碘离子。
Every found macro to expand will add an additional indentation level inside the trace output.
每一个找到的要展开的宏都会在跟踪输出中增加一级缩入。
Peoples Fine Arts Publishing House is to promote ZHONGs monograph On Painting Trace and Image.
人民美术出版社关于绘画迹象论的活动。
The police are trying to trace the mother of a newborn baby found abandoned outside a hospital.
警方正努力查找一个被弃于一家医院外的新生儿的母亲。
Preliminary Report on Transformation of Fire Line in Immature Soil Belt to Biological Fire Trace
生土带防火线改建生物防火林带初报
And what is it to acknowledge the laws but to stoop down and trace their shadows upon the earth.
承认法律，只意味着俯身追逐它们在地上的影子吗？
And what is it to acknowledge the laws but to stoop down and trace their shadows upon the earth?
莫非承认法律只是屈背俯首者追随自己的投在地上的影子？
Let us trace out in greater detail this computation of acceleration due to gravitationtal forces.
让我们详细追查这些由重力所引起的加速度的计算方法。
The method has been applied to determine trace vanadium in coal fly ash with satisfactory results.
方法已应用于煤飞灰中痕量钒的测定。
This standard is applicable to water for test use of chemical analysis and inorganic trace analysis.
本标准适用于化学分析和无机痕量分析等试验用水。
Effect of trace supplementary food for neonate Antheraea pernyi on its resistance to adverse conditions
微量添食对柞蚕蚁蚕抗逆性的影响
The newspaper contacted his grandmother to trace his present address, and later doorstepped him at his home.
报纸联系了他祖母，查到了他现在的住址后便前往登门采访。
It has been applied satisfactorily to the determination of trace nitrobenzene in environmental water sample.
用于环境水样中硝基苯得测定, 结果满意。
of all people who live in the United States can trace their roots to an ancestor who came through Ellis Island.
追根溯源，他们的祖先是经过埃利斯岛来的。
A trace is automatically recorded of the resistance of the elastomer to penetration and the depth of penetration.
弹性体对于穿透的阻力和穿透深度曲线自动记录下来。
The pipe changes itself one after another, and it seems to be the trace of the conductor's baton in an orchestra.
管道改造自己一个又一个，它似乎是对指挥棒追踪一个乐队。
The Theoretical Investigation to The Accumulation of Trace Water in The Package Container of The High Purity Ammonia
高纯氨包装容器中存在痕量水积累问题的理论探讨
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