Ascribe 发表于 2025-3-26 22:55:33

http://reply.papertrans.cn/83/8295/829470/829470_31.png

软弱 发表于 2025-3-27 02:13:36

http://reply.papertrans.cn/83/8295/829470/829470_32.png

jovial 发表于 2025-3-27 06:33:36

Michael A. Beasley explains why, exposing many of the misconceptions surrounding college grading. Based on historical research and the results of a yearlong, on-line course evaluation experiment conducted at Duke University during the 1998-1999 academic year, the effects of student grading on various educational proc

Ptsd429 发表于 2025-3-27 11:47:39

Norbert Werner,François Mernier explains why, exposing many of the misconceptions surrounding college grading. Based on historical research and the results of a yearlong, on-line course evaluation experiment conducted at Duke University during the 1998-1999 academic year, the effects of student grading on various educational proc

thyroid-hormone 发表于 2025-3-27 13:59:19

http://reply.papertrans.cn/83/8295/829470/829470_35.png

去掉 发表于 2025-3-27 20:49:59

Space Debris: Optical Measurements,t when the parent body, spacecraft or upper stage, will break up into hundreds of trackable fragments. Space debris research helps to discover, monitor and characterize these objects, identify their origin and support their active removal. Surveys with optical telescopes aim to discover new objects

易碎 发表于 2025-3-28 01:02:02

http://reply.papertrans.cn/83/8295/829470/829470_37.png

惹人反感 发表于 2025-3-28 04:26:44

http://reply.papertrans.cn/83/8295/829470/829470_38.png

羊齿 发表于 2025-3-28 06:56:16

http://reply.papertrans.cn/83/8295/829470/829470_39.png

COUCH 发表于 2025-3-28 10:58:57

http://reply.papertrans.cn/83/8295/829470/829470_40.png
页: 1 2 3 [4] 5 6
查看完整版本: Titlebook: Reviews in Frontiers of Modern Astrophysics; From Space Debris to Petr Kabáth,David Jones,Marek Skarka Book 2020 Springer Nature Switzerlan