“Shanhai Guan”的概念、定义、翻译、参考文献-科学参考

单词	Shanhai Guan
释义	Shanhai Guan Encyclopedia 理学山海关释 Shanhai Guan山海关中国万里长城东端的重要关隘，古代军事重镇，著名游览区。旧称榆关、临渝关、临闾关。
随便看	nonpositive nonpositive integer nonpositive integral kernel nonpositive matrix nonpositive operator nonpositive semi-definite matrix non-positivity nonpotenciality (nonpotentiality) of magnetic field non-potentiality non-potential motion non-precise data non-predicative non-predicative analysis non-predicative definition non-predicative formal theory non-predicative property non-preemptive multitasking non-preemptive priority non-preemptive scheduling non preference nonprescription drug non pressure cure non-pressure cure nonpressure cure non-pressure water conveyance tunnel

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。