Today about 70 countries use Daylight Saving Time (DST).
今天约有70个国家使用夏令时间(在DST)。
DST (drill Stem test), a fast test for show of oil and gas while drilling.
即中途测试，是指油井在钻井过程中，对有。
A bigger problem for DST may be that some see it as russian-and thus "murky".
对于DST，更大的问题是许多人认为来自俄罗斯的DST“很黑暗”。
In fact, in some regions, DST could actually cause the consumption of more energy.
事实上，在某些地区夏时制可能导致了更高的能耗。
In fact, in some regions, DST could actually cause the consumption of more energy.
事实上，在某些地区夏时制可能导致了更高的能耗。
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