By studying the music and its relationship to the environment, we have systematically summed up the folk music of Guxian.

通过研究音乐及其所属环境的关系，系统地对古县的民间音乐做一个归纳整理。

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We have systematically studied the soil water evaporation of planted vegetation in the southern and northern mountains of Lanzhou city.

对兰州南北两山绿化区内的土壤蒸发状况，进行比较系统的试验研究。

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We have systematically studied the relations between the probe labelling effects and conditions, and found that it not only can label dsDNA, ssDNA, but also RNA and oligonucleotide.

本实验对生物素化补骨脂素标记核酸的条件和效果进行了研究，发现该试剂不仅能标记双链dna、单链dna，更重要的是可以直接标记RNA及寡核苷酸。

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What is striking in this example is that more than a million hospitalizations of patients with heart failure occur annually and yet we have not systematically learned from the varied approaches to treatment that are being pursued every day.

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"Where the people are truly dying, not from the virus, the people are dying of hunger, we have sent aid systematically to Haiti, " Calderon said.

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"We want to put it in place systematically so we can raise the bar and have more players, " McEnroe said.

WSJ: Is Tennis Getting Too Soft?