人为活动因素是当今红土环境问题恶化和加剧的主导因素。
The human activity was result in deterioration in red soil environment today.
其次是太阳活动因素。轨道倾角对舱内剂量的影响并不显著。
The solar flare activity is another factor and the effect of orbit inclination seems no importance.
影响地壳活动因素，多种多样。从气候变化到冰层波动，海洋正在成为一个特别的晴雨表。
Among the various influences on the Earth's crust, from changes in weather to fluctuations in ice cover, the oceans are emerging as a particularly fine controller.
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