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You can trace the outlines of such patterns, you know how to move your head to get a better view, and you know when you have moved it too far to see the whole keyboard. You can obscure any feature of the keyboard by holding your finger at an appropriate location between it and your eye. And instead of describing the relation between the Intel logo and the 'P' key, you can use your finger to trace a connecting path.

你能循迹这样的样式，知道如何移动你的头获得更好的视角，你知道当你移动足够员能够看到全部键盘的时候，你能在它和你的眼睛之间，用手指分不清任何键盘的特征，取代在'图标'和'P键'之间关系的描述，你能用你的手指循迹一个相关路径。

With excellent response characteristics, high detection sensitivity and low operational cost, differential optical absorption spectroscopy is a powerful tool to trace concentration variation of trace HCHO.

差分吸收光谱技术由于时间分辨率高、高灵敏度和操作费用低等特点非常适合对大气中痕量气体HCHO进行实时追踪。

As one of its applications, cress trace-based fast fractal algorithm is presented, where the cross trace is a newly-defined feature of an image block.

作为它的应用，本文定义图像块的新特征-叉迹，然后提出一个基於叉迹的快速分形算法。

When propagating light\|ray passes through two fixed points in the gradient index mediums and a cuspidal variable\|point （at this point the trace equation of propagating light\|ray is non\|differentiable） at the borderline of two different GRIN mediums, the mathematical relationship, which the trace equation of propagating light\|ray and borderline equation of two different GRIN mediums should satisfy, is derived by the Fermat's principle and calculus of variation.

当光线通过梯度折射率介质中两个固定点和两个GRIN介质界线上的可动尖点（光线轨迹方程的不可微点）时，由费马原理和变分法运算推得传输光线的轨迹方程与两种不同GRIN介质的界线方程应满足的微分关系式。

Using this system can determinate exactly trace tin and trace germanium simultaneous and eliminated the disturbing of theirs each other.

在该体系下，可以比较准确的测定出同时存在于溶液中的微量锡与微量锗的含量，消除了两者之间的相互干扰。

You very eugenic awareness should really fill in advance, because any trace elements are not able to fill the entry into force of a body will take some time to accumulate, especially the Chinese people from the dietary intake of trace elements is low.

你很有优生意识，确实应该提前补，因为任何微量元素都不是一补就能生效的，人体需要一段时间来进行积累，特别是中国人从膳食中摄取微量元素的比例很低。

The trace element contents of Eupatorium lindleyanum DC in different parts in different harvest periods and their correlation to their pharmacological activities were analyzed by determining the pH value and trace element contents of Eupatorium lindleyanum DC in planting field.

方法］通过则定了野马追种植大田内土壤的pH值及其微量元素的含量，分析了野马追不同采收期各部位的微量元素含量以及其与药理活性间的相关性。

A method for determining trace Cu is described based on the catalytic effect of trace copper on the decolorizing oxidation reaction of acid fuchsin by potassium periodate in the presence of a,a'-dipyridyl.

本文研究了在α，α′-联吡啶存在下，铜离子催化高碘酸钾氧化酸性品红褪色的新指示反应及动力学条件，建立了催化光度法测定痕量铜的方法。

The representation of sequences is very helpful for the research of their linear complexity,so this paper we first research trace representation of periodic sequences,and the trace representation of a New Generalized Cyclotomic Sequence of order two of length pq is given,then for 2~mp~n period binary sequences,where p is an odd prime and 2 is a primitive root modulo p~2,we present a relation-ship between the linear complexity and the minimum value k for which the k-error linear complexity is strictly less than the linear complexity and have the upper bound and lower bound of the value k, finally we discuss the k-error linear complexity of legendre sequences,also have the upper bound and lower bound of the value k,and discusses the situation where the linear complexity drop again for some Legendre sequences.

序列的表达形式对于其线性复杂度的研究是十分有帮助的，本文我们首先研究的是周期序列的迹表示，给出了2阶pq长度的扩展分圆序列的迹表示，然后讨论了周期为2~mp~n(m≥2)序列的线性复杂度与使得线性复杂度变小的最小的k值的关系，给出了k值的上界和下界，这里p为奇素数，2是模p~2的本原根，并通过例子讨论了其线性复杂度的稳定性，最后对Legendre序列k-错线性复杂度进行了分析，也给出了k值的上界和下界，并对某些Legendre序列讨论了线性复杂度再次下降的情况。

The separation and enrichment of trace tin and trace germanium was researched in this paper.

本文主要阐述的是微量锡与微量锗分离与富集的研究。

Among which is the mindset, perceptions and moralities of those who accept mini- military tasks for economic gains.

其中最重要的是心态，观念和道德的人谁接受小型军事任务的经济收益。

In time course imaging, activity peaked 2 days after coronary ligation.

在时程成像检测，活性峰值在冠脉结扎后2天。