气象资料表明,我国存在30年一周期的冷暖交替,目前我国处在一个偏暖周期内。
Weather data makes clear, the changes in temperature that our country puts in 30 years of one cycle is alternant, at present our country slants at inside warm cycle.
由于河流阶地是间歇性新构造抬升的产物,其形成阶段又与气候的冷暖变化相关,即冷期阶地陡坎形成,暖期阶地堆积物形成。
Because the river terrace is the result of interrupting neotectonic uplift and its forming stages are bound up with the geologic climate cold warm changes, I.
应用推荐