The union is particularly concerned at the sourcing of products abroad.该联盟尤其关注海外的产品货源。Together they travel the world, sourcing clothes for the small, privately owned company.他们一道走遍世界各地，为那家私营小公司寻觅服装货源。They are sourcing fr...
The simulation of rainfall - runoff is an important part of hydrology simulation.降雨径流模拟是水文模拟的重要组成部分.Natural eco - environmental index consist of climate, biology, hydrology and soil index.自然生态环境指标包括气候指标 、 生物指标 、 水文指标和地质指...