Friday, September 16, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
问题:平行于岩石层理方向的渗透率()于垂直于层理方向的渗透率。
Thursday, September 15, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
问题:精密电阻材料不要求下列哪项性能。()A、阻值稳定B、热电势小C、耐高温、氧化D、电阻温度系数小
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:某种双折射材料,对600nm的寻常光的折射摔为1.71,非常光的折射率为1.74,则用这种材料做成1/4波片所需厚度为()mm
Monday, September 12, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:平衡状态下,刚性分子理想气体的内能是()A、部分势能和部分动能之和B、全部势能之和C、全部转动动能之和D、全部动能之和
Friday, September 16, 2022
问题:量子力学实行的是什么规律()A、决定因果律B、统计因果律C、推测因果律D、不定性因果律
Monday, September 12, 2022
Monday, September 12, 2022
Wednesday, January 4, 2023
Saturday, September 17, 2022
问题:从非晶体和晶体的X射线衍射特征的区别解释其结构的区别。
Saturday, September 17, 2022
Saturday, September 17, 2022