Positive-Negative相关论文
在进行地下基础桩(墙)施工时,为防止在计算过程中出现各数据值正、负符号的错标、漏标、误标,通过数轴图计算法,发现根据已知参数,......
运用全电磁2.5维粒子模拟软件MAGIC和3维高频结构仿真软件HFSS,模拟仿真了正-负双跳变慢波结构对螺旋线行波管电子效率的改善,从慢波......
In current study, behavioral measures were conducted to investigate clothing color. The purpose was to focus on the rule......
Because of the widespread existence of unsymmetrical system in the production process, its research is getting more and ......
A common remark among laypeople,and notably also among mental health workers,is that individuals with mental illnesses u......