光固子存在条件
soliton condistions for existence
界面自旋波存在条件
the conditions for the existence of interface spin waves
曲柄存在条件
Grashoff`s law
Existence condition of crank
cranks condition
稳态分布存在条件
condition for the existence of steady-state distri
condition for the existence of steady-state distribution
在低温低压条件下
under low temperature low pressure