高频

The LTD was reversed by the second tetanic stimulation after 3 hrs.

这种长时程抑制可以在3小时后被第二次高频刺激所翻转。

The television receiver modem (33) monitors the telephone line (35) for predetermined conditions, such as the presence of high frequency energy or a drop in the telephone line loop current, indicative of telephone use.

电视接收机调制解调器（33）监视电话线（35）的预定状况，如高频能量的出现或电话线中回路电流下降，表示电话在使用。

Thermal radiation ranges in frequency from infrared rays through visible light to ultraviolet rays.

热辐射的频率范围从低频的红外辐射到高频的紫外辐射。

We also have a joint-venture factory for production of OCTG threader protectors, with annual production capability of one millions pairs of threader protectors for casing, tubing, line pipe, drill pipes.

公司此外还经营直缝埋孤焊、高频电阻直缝焊、螺旋焊等焊接石油天然气输送管，为国外用户代理采购钻机、修井机、抽油机、测井设备、顶部驱动钻井装置、泥浆泵、特车、固控设备、井口工具等产品。

Objective To probe into the effects of military noise on the hearing threshold of the speech frequency and high frequency in the elders.

目的 探讨军事噪声对老年人言语频率及高频听力的影响。

An improved image enhancement algorithm by contour threshold nonlinear extrapolation in frequency space was proposed.

对非线性外推图像增强算法进行分析，充分考虑图像高频分量的局部特征，提出一种新的非线性滤波剪切策略包络阈值剪切算法。

Then do wavelet transform using fast wavelet transform algorithm, and then facial feature is enhanced by three high frequency parts using different threshold to enhance high frequency.

然后用小波快速算法mallat算法对图像进行小波变换，并且针对小波变换之后的三个高频部分分别设定阈值进行增强。

It appears exchanges are conspiring with a privileged group of high-frequency traders in a massive fraud, says Whitney Tilson, a fund manager.

一位基金经理Whitney Tilson 表示：似乎交易所在重大舞弊中同特权高频交易人员在勾结。

Thus the change in timbre is similar to that in the 3 string section.

这些高频的分量，使声音听起来较亮，也较尖锐。

This paper is mainly about the high power ultrasonic topological analysis and design.

本文主要对提出的高频超声波电源拓扑进行理论分析和设计。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！