- 重点词汇
- 5 five;
- isvt.& vi. 是(be的三单形式);
- aboutprep.关于;对于;目的是;为了;涉及…方面;忙于;从事于
- of interest有趣的;
- ofprep. 关于;属于…的;由…制成;
- densitiesn.密集( density的名词复数 );稠密;<物><化>密度（固体、液体或气体单位体积的质量）;密度（磁盘存贮数据的可用空间）;
- 3 three;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- rangen.一系列;区间，范围;射程，射击场;类，种;山脉;牧区;炉灶;音域;
- 相关例句
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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The zero point of the density scale is defined by having no specimen densitometer.
内设有样品时的密度为密度尺标的零点.
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密度计分两类: 量度菲林的透射密度计和量度相片印刷品的反射密度计.
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方法 用RTPCR方法检测mRNA的 表达, 用光密度扫描法半定量测定表达差异.
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