In the papar, it changes its"buckle"structurt on the basis of common key switch, achieves automatic locking function and does not increase the cost.
多位组合式按键开关被广泛应用于各种家用电器，本课题在普通按键开关的基础上，改变其“扣板”的结构，实现了自动锁定功能，且不需增加成本。
This papar deals with the problem of solution's existence about elliptic equation under limiting exponents and free boundary problem by variational evaluation methods.
本文是采用变分估计方法考虑一类椭圆方程在临界指数和自由边界条件下解的存在性问题。
The papar calls scientits′ attention to that, the wave-particle duality theory established depond on the wavelength being small enough, but the demarcation line is not clear.
指出，虽然波粒二象性成立的前提是波长足够小，但在现有理论中却提不出一条清晰的界线。
This papar is concerned with the technique of regaining L-GA from exhausted liquid extracted L-GAwith strong acid cation-exchange resin and eluting, regenerating resin with ammonia water.
用强酸性阳离子交换树脂吸附提取母液中的L-谷氨酸（简称L-GA），然后用氨水洗脱和再生，回收L-GA。
This papar is concerned with the technique of regaining L-GA from exhausted liquid extracted L-GAwith strong acid cation-exchange resin and eluting, regenerating resin with ammonia water.
用强酸性阳离子交换树脂吸附提取母液中的L-谷氨酸（简称L-GA），然后用氨水洗脱和再生，回收L-GA。
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