The toy sword adopts an extension luminous type, and has the advantages of simple structure and high safety.
将玩具剑设置成伸缩发光型的，结构简单，而且很安全。
Type Ia supernovae are so luminous that they outshine their host galaxies for several weeks.
Ia型超新星如此之亮，以至于在几个星期内它的寄主星系的光芒也相形见绌。
In intensity-modulated type optic fiber sensors, luminous intensity of a light source and operating stability of photoelectric receiver are the key factors for determining measuring accuracy.
在强度调制型光纤传感器中，光源发光强度和光电接收器工作的稳定性，是决定测量精度的关键因素。
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