A lake of gold in the desert sand is less than a cool, fresh spring.
沙漠中一湖的黄金也比不上一股清泉。
Knowledge like springs under the sand, to dig the deeper, spring more clearly.
知识好像砂石下的泉水，掘得越深，泉水越清。
Knowledge is like the spring water under the sand, more digging deeper water more clearly.
知识好象砂石下面的泉水，越掘得深泉水越清。
Sand-dust was mainly deposited in spring and early summer in the study area.
该区年内主要粉尘堆积时段为春季和初夏；
Sand storm and dust devil in spring in northern parts were extremely frequent.
春季北方扬沙和沙尘暴天气异常频繁；
Sand storm and dust devil in spring in northern parts were extremely frequent.
春季北方扬沙和沙尘暴天气异常频繁；
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