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It can be regarded as a topology of phase-shifted SPWM technique in single-phase circuits.

文中提出了基于相移SPWM技术的级联型变流器。

HAD the sirocco (the south wind that brings Venice its worst floods) not unexpectedly dropped and shifted direction on December 1st, it would have been much worse.

如果sirocco（南风，为威尼斯带来最为严重的洪水）没有在12月1日出人意料地停息、转向，那么后果会更为严重。

His neck also grew longer, and his torso shifted, becoming sleeker and more serpent like.

他的脖子也长长了，而且变得像蛇那样光滑。

A large platform structure will be manufactured and shifted to ship in a6000t slideway. CEPA platform is about 7000t weight, whose supporting structure isabout 850t.

在平台滑移过程中和装船过程中，由于已超出原设计范围的平台荷载、驳船和码头之间的高差、滑车滚轮强度限制等因素的影响，使得平台滑移装船过程分析变得十分复杂。

FSK . In non-coherent FSK, the instantaneous frequency is shifted between two discrete values named mark and space frequency, respectively.

在非相干的FSK ，瞬时频率是转移双方离散值命名为马克和空间频率，分别为。

Secondly, according to the spectral correlation theory of second order cyclostationary processes, maximumlikelihood filters are used to estimate the cyclic spectra. By estimating the crossspectra of the two frequency shifted versions of cyclostationary signal, the cyclic spectra can be obtained. The analysis effective bandwidth of maximumlikelihood filters is studied in details. In case of cross-spectra estimation, the analysis effective bandwidth of maximum-likelihood filters is not correct. A new method to calculate the analysis effective bandwidth is presented.

第二，根据二阶周期平稳随机信号的谱相关理论，提出了循环谱密度估计的最大似然滤波器法，即采用最大似然滤波器估计出周期平稳信号的两个频移分量之间的互谱密度，从而得到了循环谱密度的估计；对最大似然滤波器的有效分析带宽做了详细的分析，指出了在互谱密度估计时以往的有效分析带宽不正确，并提出了互谱密度估计时的有效分析带宽的新的计算方法。

"The balance of power has very much shifted to the national oil companies," says Mark Spelman, energy analyst at Accenture, the professional services group.

"力量的天平已明显向国家石油企业偏斜，"专业服务集团埃森哲能源分析师马克·斯佩尔曼表示。

Broken spring center bolt; spring shifted on axle housing.

钢板弹簧的中心螺拴断裂；在车桥壳上弹簧活动

We shifted from a stiffener plate to a stiffer chassis.

我们从一加劲板的更严厉的底盘。

In long time ,"postal economic system research committee" couldnt put forward effective resolution, was hostile to government stilly , in order to remedy losses , post office shifted economic losses to railway department, this kind of behavior caused new contradiction .

邮政经济制度研究委员会长期无法通过行之有效的决议，邮工组织依然对政府存有敌对情绪，邮局为了弥补亏损，把经济损失转嫁给了铁路部门，从而造成了新的矛盾。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。