Abstract：　　This paper was conducted to investigate the significance of non governmentalorganisations （NGOs） in Singapore ......

假设森林冠层组成会影响土壤呼吸,树木混交作为一种常见的林业管理措施,会引起碳循环的显著改变.在德国中部Soiling云杉.山毛榉混......

对比分析了CSRS-PPP、APPS、GAPS、magicGNSS 4款在线PPP服务系统对钟跳数据的处理能力。结果表明,CSRS-PPP的稳健性最好,能够有效......

目的 通过采用不同间隙套接修复大鼠坐骨神经损伤的实验研究,探讨甲壳质套管桥接修复周围神经损伤的长度极限.方法 SPF级健康成年......

Polygonal models are popular representations of 3D objects. The use of polygonal models in computational applications of......

Despite recent progress in deep-sea biodiversity assessments in the Southern Ocean(SO), there remain gaps in our knowled......