The question is how that dissolution can happen fast enough to produce deeppenetration and allow long cave systems to form.
问题在于这种溶解足够快而造成深层渗透,并形成了长距离洞穴系统。
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Facebook will have ample opportunity to diversify its revenue streams beyond traditional banner advertising due to its deeppenetration in these micro communities.
Deeppenetration exploration geochemistry, a new branch of exploration geochemistry, involves the measurement of any direct geochemical information emanating from the deeply concealed deposits.