Objective to study the species distribution on mosquitoes, midges and horse flies of important blood-sucking diptera insect in Heilongjiang river valley.
目的调查黑龙江流域重要吸血双翅目昆虫蚊、蠓、虻的种类分布。
It flies nineteen million times faster than the best race—horse; and yet electricity is quicker still.
它比最好的赛马都要快1900万倍；然而，电的速度更快。
A fantastic story, like a horse with wings, flies in the face of the principle of parsimony.
一个完美的故事需要有天马行空的思想，完全不用考虑简约的原则。
A fantastic story, like a horse with wings, flies in the face of the principle of parsimony.
一个完美的故事需要有天马行空的思想，完全不用考虑简约的原则。
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