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Also on the south surface water source heat pump systems and air-cooled heat pump performance of the comparison test.

还对南方地区地表水源热泵系统与风冷热泵的性能进行了对比测试。

Ground-source heat pump systems can save 40%—50% of energy than air-cooled heat pump system.

地源热泵系统比风冷热泵系统节能40%—50%。

Using the airbrush I do some quick rendering of the forms lit by my soft overhead light source.

我对着俩部分用了纹理滤镜，我用了光源在上方的砂岩纹理。

The result shows that large airgun source excited in reservoir environment is rich in low frequencies (0 Hz), and is effective to produce waves with long-offset and deep crustal penetration.

试验结果表明，大容量气枪震源是具有丰富的10Hz以下低频信号的低频震源，其激发的地震波具有传播距离远，穿透深度深的特点。

The key problem of the transmitted station is to find the suitable artificial seismic source: powerful, green and clear sources. With the development of airgun technique and information theory, it is possible now to obtain the image of a 100 000 km2 in spatial coverage and 40 km in depth by use of the transmitted seismic stations.

建立地震发射台的核心问题是选择合适的人工震源，近年来出现的绿色环保震源，以及现代信息处理技术的发展，使得建立照亮10万km2地区地下结构的地震发射台已经完全是可能的。

The paper introduced in detail the development and application of airgun source and made summary of airgun theory and technology mainly from three aspects: developing history of airgun system,theory of airgun and relevant knowledge,and study of airgun array wavelet and developed results of correspondent software.

本文详细介绍了气枪震源的发展与应用，主要从三个方面对气枪震源的理论与技术进行综述：气枪震源系统的发展历程、气枪震源理论及相关知识、气枪阵列子波研究与软件开发成果。

High-pressure air is needed for airgun source operation.

气枪震源作业需要高压空气。

A field experiment using large volume airgun source was conducted in an onshore reservoir. The characteristics of the waveform and its propogation has been studied.

利用大容量气枪震源在陆上水库进行地震波激发试验，研究陆上水库环境下激发气枪震源所产生的地震波特征及传播距离。

Research has been made on the airgun principle and its testing strategy, then we simulated the wavelets in both near field and far field of the airgun source on the Ziolkowski model basis, and the analysis on its energy and P/R at different depths is given.

本文针对滩浅海地震勘探的难点问题，特别是滩浅海地震资料信噪比、分辨率低，干扰严重的问题，在滩浅海地震勘探野外采集方面取得了较大进展。

Using an airgun as a repeatable seismic source and recording the data at a fixed point, the variation of shear wave splitting parameters can indicate the variation of local stress-strain fields, and hence provides a method for earthquake stress-forecasting.

气枪是高度可重复性人工震源，利用气枪定点激发和定点接收有可能精确获取S波分裂参数随时间的变化规律，为地震预测探索实践提供可靠的物理途径。

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％。