hand gesture recognition的用法和样例：
例句
- Hand gesture recognition has become one of the key techniques of human-computer interaction HCI.
手势识别已成为人机交互技术的关键之一。 - It was clear that this was not an unusual situation, and every hand gesture recognition project undertaken results in a new laboratory glove.
很显然，这并非不寻常的情况，每一个手势识别项目，结果在一个新的实验室手套。
