Deep inside the brain, in a region called the hypothalamus (right above where our optic nerves cross) the internal clock is ticking.
在人脑中央深处有个叫做下丘脑的部位(就在视神经交叉处正上方)，人体自带的时钟就在这里运转。
Mostly design to laser machine, laser communication, lidar, laser image remote sensing, laser jamming, acousto-optic spectral analysis region, product had been able to extensive use.
主要用于激光加工机、激光通讯、激光雷达、激光图像遥感、激光干扰、声光频谱分析等领域，产品已得到广泛应用。
Backbone providers are the Internet players that typically own and lease long-haul fiber-optic cables spanning a large region.
主干网提供商是因特网的玩家，典型的主干网提供商拥有和出租覆盖广阔地区的远程光纤网。
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