A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.
一种防治近视眼的,它有作为物镜的凸透镜、镜筒、目镜,还有头套和透镜组,它用于们在近距离上长时间用眼时戴在眼上,可以使被视物的像清、和变远。
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Finally, there is the headgear - Beanies and earmuffs that feature speakers included in the fabric using Bluetooth technology so we can listen to our favourite music or, in some cases, have a phone call using the in-built microphone.
最后,还有头饰——无檐小便帽和耳罩,织物中包含使用蓝牙技术的扬声器, 因此我们可以聆听我们最喜欢的音乐, 或者某些情况下, 使用内置麦克风打电话。
And the researchers argued that it was this fierce competition for mates that was behind the evolution of so much headgear diversity, and strange head and neck morphologies across the 20-or-so million year history of the group.
研究人员认为,正是这种激烈的配偶竞争导致了该群体 20 亿年左右的历史中进化出如此多的头饰多样性以及奇怪的头部和颈部形态。