这些纬度地带，降雪即使有也很少。
中国的海域处在中，低纬度地带，自然环境和资源条件比较优越。 人工养殖。
Located in medium and low latitudes, China's sea areas have comparatively advantageous natural environmental and resource conditions.
指出这些事件大部分首先发现于冰川和深海沉积物中，且集中在北半球的高纬度地带。
Most of those events were found in the glacial and deep sea sediments, mainly occurring on the high latitudes of the Northern Hemisphere.
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