The crystals are bistable, which means that they can remain in either a reflective or non-reflective state without any power. 这种液晶是双稳态的,意即没电时能保持反射状态或非反射状态。
Thus, the only two magnetic fields for which we have any significant historical record are bitable. 这样,我们己有重要历史纪录的惟一的两个磁场是双稳态的。