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汉语拼音：xiāng duì shī dù

表示空气湿度的一种方式。定义为某温度时空气的绝对湿度与同温度的饱和水蒸气压强的百分比。相对湿度越大，表示空气中所含水蒸气离饱和状态越近；相对湿度为100%，表示空气中所含水蒸气已达饱和。人们对空气干湿程度的感觉主要取决于相对湿度的大小。

• Except whiter stage, the relative moisture of active layer in other four stages is generally above that of weather station in a whole day .

  活动面相对湿度除越冬期外其余四个时期全天则普遍高于气象站相对湿度。

• Test number effects roller ginned cotton breaking tenacity obviously, the next is regain, the last is relative humidity.

  测试次数对皮辊棉断裂比强度的影响较为明显，回潮率次之，相对湿度的变化影响最小。

• The temperature control and management device is used to control the temperature and humidity of the system in an acceptable range.

  机柜温控处理装置用于控制所述系统的温度和相对湿度在设备正常工作允许的范围之内。

• Interestingly, the material in this "cured" state is non- hygroscopic , at least at moderate humidity levels.

  有趣的是，这材料在这中“凝固”状态不吸湿，至少在适度相对湿度下。

• As you can see, the water content of a paper with the relative humidity of the air increased, with the loss of moisture.

  可以看出，任何纸张的含水量都随空气相对湿度的提高而增加，随湿度的降低而减小。

• The result shows that regain effects saw ginned cotton breaking obviously, the next is relative humidity, and the last is test number.

  结果表明：回潮率对锯齿棉断裂比强度的影响较为明显，相对湿度次之，测试次数影响最小；

• In three observation seasons as a representation, the relative humidity in the wetland was higher than that of the land at large.

  在以考察月份为代表的三个季节内，湿地的相对湿度均比陆地高。

• The conservator will remark that the RH variation is still extreme, compared with the variation allowed by museum standards.

  文物保护专家指出，以上研究和博物馆标准相比，相对湿度变化仍然严重。

• By data fitting of the experimental results; the effective refractive index changes under different humidity conditions can be reckoned.

  通过对实验结果的拟合，推算出不同相对湿度环境下，多孔硅薄膜的有效折射率值。