漂亮的树叶明暗相间。
轴突内可见丝状的神经原纤维及线粒体，轴突外包有髓鞘，为明暗相间的同心圆板层结构。
Filamentous neurofibrils and mitochondria were observed in axons. Axons were enveloped by myelin sheath, presented alternately dark and bright lamellae concentric configuration.
星云由发光的气体组成，其间夹杂暗色的尘埃。这种明暗相间的组成标示了银河系缓慢的漩涡运动。
Clouds of stars are glowing gas, with patches of darkening dust, mark the slow-changing spiral patterns of the Galaxy disk.
人造草皮除了能够不分白天黑夜地进行训练和比赛以外，还可以铺设成明暗相间的条纹赛场，增强草皮的观赏性。
Apart from being available for practice and matches, day in and day out, artificial turf can be laid in alternately shaded stripes that enhance the appearance of the pitch.
将标本向不同方向旋转，直到用野外或放大镜看到晶面或解理面上出现一组平行的明暗相间的直线或折线，这就是双晶纹。
The specimen with different direction, with the field or a magnifying glass to see a group of parallel dark and straight line or a line or plane appears on the cleavage plane until it is twin.
在环境温度较低或放电电流较小时，荧光灯的发光正柱有可能出现光强的扰动和明暗相间的条纹，称为条纹放电，它会对照明产生干扰。
At low ambient temperature or small discharge current, the local light intensity emitted by fluorescent lamps may show fluctuations called striations, which seriously disturb the illuminations.
在环境温度较低或放电电流较小时，荧光灯的发光正柱有可能出现光强的扰动和明暗相间的条纹，称为条纹放电，它会对照明产生干扰。
At low ambient temperature or small discharge current, the local light intensity emitted by fluorescent lamps may show fluctuations called striations, which seriously disturb the illuminations.
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