以下为句子列表：
英文: Because the threshold exposure levels for photic damage to the retina at each wavelength of the optical spectrum are well known, it is fairly simple to calculate the maximum permissible filter transmittance that will provide adequate retinal protection fr
中文: 由于每种波长光线的极限值都已被测定,所以要计算出安全太阳滤镜最高允许透光率是很容易的.
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英文: Calibration: Only 100% calibration is need while in transmittance mode, And record the original reflectance from the test chip when using the reflectance mode.
中文: 标定：在透射时只进行100%标定，反射时是对比较片的反射比值标定。
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英文: Glass fiber corrugated production line can provide high transmittance product with good water proot and aging performance. The production capacitv can reach 1 million standard m 2.
中文: 玻璃钢波纹（平）板生产线,产品具有透光率高,抗渗水性好,耐老化等特点,年生产能力100万标平米。
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英文: However, this does not take into account visual comfort; for comfortable viewing of the sun, a filter with a luminous transmittance of 0.0003% (shade number 14) is often preferable.
中文: 然而,以上的计算并未考虑到观测时的舒适程度.在考虑舒适程度后,建议使用0.0003%透光率(相当于14号密度)的滤镜作太阳观测.
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英文: It showed that the porous film had higher transmittance in infrared wavelength region, and the film with metal micro-particles had an optical adsorbing characteristics in the visible light wavelength region.
中文: 结果表明：多孔氧化铝介质膜在红外波段具有良好的光透过特性，而沉积金属微粒的多孔介质膜在可见光波范围有特殊的光吸收特性，在近红外光波范围具有一定的偏光特性。
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