Soil liquefaction is also a major design issue for large structures such as mine tailings impoundments and earth dams.
因此，判定地基土液化可能性是抗震勘察设计中的一个重大课题。
New routings of long-distance bird migrations, brought about by new man-made water impoundments, represent an important yet still untested risk of introduction of arboviruses into new areas.
由于人造蓄水设施的出现而导致长距离鸟类迁飞路线的改变，代表一种重要的但未证实的、可以将虫媒病毒引进新区的潜在危险。
New routings of long-distance bird migrations, brought about by new man-made water impoundments, represent an important yet still untested risk of introduction of arboviruses into new areas.
由于人造蓄水设施的出现而导致长距离鸟类迁飞路线的改变，代表一种重要的但未证实的、可以将虫媒病毒引进新区的潜在危险。
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