The spectacles consist of a spectacles frame, spectacle lenses and opaque material layers.
由镜架、眼镜片和不透明材料层组成。
The perovskite solar cells made previously used an opaque material on the back to collect electrical current.
先前的钙钛矿型太阳能电池使用背面不透明的材料收集电流。
None rigid unsupported transparent, translucent, and opaque material, whether plain, embossed, molded or otherwise surface treated.
柔软不能自主成形的透明、半透明及不透明材料。
To eliminate this effect, you can place a small piece of opaque material or black foam just long enough to block the direct part of the light from hitting your subject.
为了消除这种效果，可以在闪光灯灯头上加一片不透明材料或黑色塑料泡沫板做的遮光片，以阻挡扩散的光线照射到被摄体。
Part of the trick was to find a suitable photochromic material whose clear and opaque parts would remain stable after the initial exposure to light.
成功实现这一过程的部分关键在于找到合适的光敏材料，其在最初曝光之后透明与不透明区域都应保持稳定。
Others look totally opaque, having been completely altered, for example by water percolating into the material or chemical elements leaching out of it.
另一些看上去完全不透明，已经被渗入材料中的水或从里面渗出来的化学物质的作用彻底变样了。
Actually you light very sparingly and it never is really white, but a kind of opaque, luminous material rather than a colour as such.
实际上你非常吝啬高光，而且也不是真正的白色，但是是一种不透明的、发光的特性，胜过任何色彩。
If the paper is not sufficiently opaque, printed material will show through from the other side.
若纸的不透明度低，印纹便影现纸的另一面。
Although silicon looks opaque to visible light, the material is amazingly transparent to infrared light and silicon structures can be constructed that can guide and modify infrared laser light.
虽然硅对于可见光而言是不透明的，但这种材料对红外光却具有惊人的透光性，而且硅结构可以用来对红外激光进行引导和修正。
Although silicon looks opaque to visible light, the material is amazingly transparent to infrared light and silicon structures can be constructed that can guide and modify infrared laser light.
虽然硅对于可见光而言是不透明的，但这种材料对红外光却具有惊人的透光性，而且硅结构可以用来对红外激光进行引导和修正。
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