Many economists trace the economic slowdown to a credit crunch sparked by a wave of home foreclosures and mortgage defaults in the United States.
许多经济学家认为经济下滑是美国房主丧失房屋赎回权和拖欠银行抵押贷款引发的信贷紧缩所致。
Most analysts trace America's current economic woes to tight credit conditions sparked by a wave of home foreclosures and mortgage defaults.
绝大多数分析人士都把美国目前的经济困难归咎于房贷违约和丧失抵押住房赎回权案子激增所导致的信贷条件紧缩。
Trace integration value represents relative wave impedance. it reflects the variation of relative interval velocity in a seismic section.
道积分值代表相对波阻抗值，它反映了地震剖面上相对层速度的变化。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波，用以测定土壤和植物中的微量钴。
According to the characteristic difference between ship hydraulic pressure signal and wave noise signal, this paper presents a slow trace LMS algorithm to whiten wave noise signal.
根据舰船水压信号与海浪噪声的特点，用慢跟踪lms算法对波浪噪声进行白化处理。
Square wave stripping voltammetry (SWASV) was a high sensitivity electrochemical methods to detect the trace metal ions.
方波溶出伏安法(SWASV)是测定痕量金属离子的一种高灵敏度的电化学方法。
Here we present a new VSP wave field separation method using two-trace recursive filtering.
本文提出一种用二道递归滤波分离vsp波场的新方法。
Because of the superiority in high gain and self-act trace wave-packet, it will be widely used in mobile communication.
由于它在高增益及自动波束跟踪方面的优越性能，使得它在移动通信中有着广泛的应用前景。
Another piece called Trace, some abstract, is the image like old tree's growth ring, water's wave or wind's mark.
而另一幅作品《痕》，宛如塑造了岁月的年轮，或者水的波纹，风的痕迹。
This study determined trace content of molybdenum in tea by polarographic catalytic wave and it was sensitive, accurate, simple and of good choice.
本研究首次使用极谱催化波测定茶叶中痕量钼，方法灵敏、准确、简便、选择性好。
It is suggested that by using the parameter of seismic wave to trace the short term and impending anomalies in the principle monitoring areas can we find an effective way to earthquake prediction.
这表明，利用地震波参数对重点地震监视区进行短、临动态跟踪，有可能成为解决地震预报问题的有效途径。
For converted wave stacking and trace selection of common reflection point gathering, it is required to accurately calculate the location of conversion points.
转换波共转换点的叠加和道集选取都需要准确地计算转换点的位置。
Then, with some approximation to the wave front section, the forward modeling can be achieved through the ray tracing method based on the minimum traveling time and the shortest traveling trace assum.
然后，对波阵面作一近似，在此基础上，用最小走时最短路径射线追踪法完成正演。
In active infrared remote sensing measurements, the infrared absorption caused by the presence of trace gases in atmosphere is related to the transmittance spectra in different infrared wave band.
在主动式红外遥感测量中，大气中痕量气体的红外吸收与不同红外波段的透过率光谱有关。
The results of theoretic calculating and real data processing confirm that the reconstructed trace by this method fits the wave shape, amplitude and phase of raw data.
理论计算和实际资料处理的结果表明，用该方法重建的地震道，在波形、振幅和相位等方面与原始数据拟合较好。
The contents of colloidal trace metals were mainly influenced by the factors of COC content and total trace metals, but were all affected by the wind-wave disturbance action fundamentally.
胶体态痕量金属的含量主要受COC含量、痕量金属总量等因素的影响，但归根结底均受制于风浪的扰动作用。
To study how the attenuation of vibration wave caused by traveling vehicle, we conducted a test survey along highway using three component detector and 24 trace engineering seismic apparatus.
对公路两侧不同车辆的振动情况进行了实验研究。采用三分量检波器和24道工程地震仪进行测量。
We put forward the linearized wave impedance inversion which, starting from borehole-side trace, is performed trace by trace in a stacked seismic section.
本文提出了由井旁道出发逐道进行的叠后地震剖面的线性化波阻抗反演方法。
Evolutional rule of wear trace wavelength and wave hollow from calculation of boundary layer parameter are deduced. A new thread of researches in erosion wear is provided.
通过对边界层参数的计算推论磨痕波长和波深演变规律，提出了冲蚀磨损机理新的研究思路。
Chance I am a cloud in the sky, a chance shadow on the wave of your heart. Don't be surprised, Or too elated; in an instant I shall vanish without trace.
偶然我是天空里的一片云，偶尔投影在你的波心——你不必讶异，更无须欢喜——在转瞬间消灭了踪影。
Chance I am a cloud in the sky, a chance shadow on the wave of your heart. Don't be surprised, Or too elated; in an instant I shall vanish without trace.
偶然我是天空里的一片云，偶尔投影在你的波心——你不必讶异，更无须欢喜——在转瞬间消灭了踪影。
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