Object data locking is generally per-object. Well, unless you don't have huge scalability issues, in which case you may have some external bigger lock (extreme case: one single global lock).

对象数据保护一般是一个对象拥有一个锁，假设你没有海量扩展性问题，不然你需要一些外部大一点的锁(极端的例子，一个对象一个全局锁)。

youdao

External battery supply electricity for the door lock, thoughtful and more humanity.

可外接电池盒给门锁供电，考虑周到，更加人性化。

youdao

The special Chamomile Hydrosol in this product can reduce external stimulus, enhance the skin's anti-allergy abilities, input nutrition and lock in the moisture, making the skin glamorous.

特别蕴含洋甘菊纯露，减少外界的刺激，增强皮肤的抗敏力，输入营养并锁紧水份，使肌肤光鲜亮丽。

youdao

The camera's wrist-strap holder is made of die-cast zinc to withstand drops while a rotating lock secures the external memory slot cover.

ENGADGET: Casio trots out world's slimmest shock-resistant digicam: EX-G1 (video)