- 重点词汇
- andconj. 和，与;而且;于是，然后;因此;
- whileconj.在…期间;与…同时;然而;尽管;
- traditionaladj.传统的，习俗的，惯例的;守旧的;
- pooradj.贫穷的，贫乏的;令人怜悯的，可怜的;匮乏的;低劣的;
- isvt.& vi. 是(be的三单形式);
- usingv.使用（ use的现在分词 ）;利用;耗费;吸（毒）;
- differentialadj.差别的;特意的;[数]微分的;[机，物]差动的;
- highadj. 高的;高尚的，崇高的;高音调的;高级的，高等的;
- reliabilityn.可靠，可信赖;
- precisionn.精确度，准确（性）;[语]精确;
- 相关例句
而随钻密度仪则能够有效地克服以上缺陷,其数据连续可靠,客观性也非常强.
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Hypersonic wind tunnels operating at very low densities were developed starting in about 1960.
低密度超音速风洞大约开始发展于1960年.
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Water, coal measures and salt have densities markedly different from other earth materials.
水 、 煤和盐的密度与其它介质有很大的差别.
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Granulomatous disease by chest radiograph can appear as reticulonodular densities.
肉芽肿疾病胸片显示网点状致密阴影.
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Finally, the positive column is reached where electrons and ions have equal densities.
最后到达的区域是正柱区,这里,电子和离子具有相等的密度.
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Instead, fracture densities increase in the vicinity of faults or shear zones.
相反, 裂缝密度在断层和剪切带附近增加.
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In this definition, the contrast is given by the ratio of two light densities.
对比度定义为两个光密度之比.
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Meteorology The interface between air masses of different temperatures or densities.
[气象学]锋面:不同温度、密度的两大气团交界处.
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The reading aperture of a densitometer refers to the size ofthe spot it will measure.
浓度计的读书开口提到大小它将测量的斑点.
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Densitometer: An optical instrument used to measure the intensity of transmitted or reflected light.
密度计: 用来量度透射或反射光的强度的一种光学仪器.
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Densitometer is an apparatus used for measuring photosensitivity of films.
光学密度计是一种测量胶片感光性能的专用仪器.
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The zero point of the density scale is defined by having no specimen in the densitometer.
定义密度计内设有样品时的密度为密度尺标的零点.
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