For starters, safely taking pictures of the sun requires a special solar filter on the camera.
对初学者来说，安全地拍摄太阳照片的相机上需要一个特殊的太阳滤波器。
The choice of this enclosure material responds, on the one hand, to its role as a solar filter offering at the same time porosity, light entrance and ventilation to the elevator case.
外围护结构材料的选择，一方面，由于孔隙率的控制使其成为太阳滤波器，可以照入一些阳光，照亮入口空间，也有利于梯井内的通风。
The amount involved is minuscule, as is the quantity of electricity needed to keep the filter charged (a small solar panel would be sufficient to supply it).
它所耗费的成本是微不足道的，只是这种过滤器需要一定的电能(一个小型太阳能板足够给它供能)。
The amount involved is minuscule, as is the quantity of electricity needed to keep the filter charged (a small solar panel would be sufficient to supply it).
银的使用量非常小，与维持滤水器运转所需电量（一小块太阳能电池板就足够了）一般。
To further aid orientation, the building is planned under a single roof canopy, punctuated by glazed openings that filter daylight, while deflecting direct solar radiation.
整个建筑设计在一个屋顶下，屋顶上有玻璃开口能过滤阳光，并转变阳光直射。
The utility model relates to an energy-saving environment-friendly welding helmet, which consists of a solar charger, an air filter, goggles and a health gauze mask.
一种节能环保电焊帽，本实用新型由太阳能充电器、空气过滤器、护目镜、卫生口罩组成。
In this paper, a band-pass filter is used to separate the components of rapid fluctuations with various time scales from ms-resolution data of solar bursts.
同时对太阳毫秒级资料作带通滤波将不同时间尺度的快速起伏分离出来。
In this paper, a band-pass filter is used to separate the components of rapid fluctuations with various time scales from ms-resolution data of solar bursts.
同时对太阳毫秒级资料作带通滤波将不同时间尺度的快速起伏分离出来。
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