Simulate the avalanche circuit in series with PSPICE module, design the high voltage short plus generation circuit by avalanche transistor in series for the sweep deflection circuit of streak camera.
运用PSPICE模型对串联雪崩电路进行了仿真，设计出了用雪崩三极管串联的高压短脉冲产生电路，该电路可以用于条纹相机中的扫描电路。
Steam drive pilot test in Block Qi40 has achieved ideal development result, but the sweep efficiency is low and stable production period is short because of reservoir heterogeneity.
齐40块蒸汽驱先导试验取得了较为理想的开发效果，但由于受油藏非均质性的影响，蒸汽驱过程中出现了蒸汽波及效率低、稳产时间短等现象。
Every healthy person's lungs contain short hairlike bristles known as cilia, which sweep up and out, pushing mucus, germs, and dirt away.
每一个健康人的肺叶都含有短短的、毛发状的须茬，名叫纤毛。它们向上、向外扫动，将痰液、细菌、以及尘埃推出去。
Every healthy person's lungs contain short hairlike bristles known as cilia, which sweep up and out, pushing mucus, germs, and dirt away.
每一个健康人的肺叶都含有短短的、毛发状的须茬，名叫纤毛。它们向上、向外扫动，将痰液、细菌、以及尘埃推出去。
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