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| 21. | Quickly the trickle becomes a flood of glistening linseed oil as the beam sinks earthwards, taut and |
| 译文：随着大梁越压越低，缆索越绷越紧，大梁的嘎吱声，石磙的辘辘声，以及骆驼不时发出的咕噜咕噜的呼吸声和叹息声响成一片，榨出的油也很快地由涓滴细流变成了一股晶莹发亮、腾不止的洪流。 |
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| 22. | Evidently the wave properties of light are not attributable to the beam acting as a whole. |
| 显然光的波动性质不能归给光束整体。 |
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| 23. | horizontal beam used as a finishing piece over a door or window. |
| 作为门或窗的完工部分的水平横梁。 |
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| 24. | A horizontal beam, as of steel or wood, used as a main support for a building or bridge. |
| 大梁一水平的铁制或木制的桁条,用来作为建筑物或桥梁的主要支撑物 |
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| 25. | PSRC beam, as a new type of structure member, gathers the merits of both SRC and prestressed structures |
| 预应力钢骨混凝土梁是一种新型的结构形式,它兼有钢骨混凝土结构和预应力结构的特点。 |
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| 26. | As a whole, the beam will therefore impart no total angular momentum to a target. |
| 因此，整个说来，这种光束将不传给靶任何总的角动量。 |
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| 27. | A drum as well as a flanged beam have considerable inertia, especially at high speed, and the stopping |
| 整经辊筒和有边经轴都具有相当大的惯性,特别是高速整经时,惯性更大,这样停车时所需要的时间较长。 |
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| 28. | A device, such as a supporting beam in a building or a connecting wire or rope, that steadies or holds |
| 支架，支持物一种装置，如建筑物的支持梁或连结的钢丝或绳索，用于稳定或使它物竖直 |
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| 29. | As the electron beam goes across the face of the picture tube, there are various little spots of light |
| 当电子束扫过显象管屏幕时，屏幕上就有许多小亮点和暗点。 |
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| 30. | As expected, the microwave beam underwent positive refraction from the Teflon prism but was negatively |
| 正如预期，通过铁氟龙稜镜的微波展现了正折射，而通过超材料稜镜的则出现负折射。 |
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