科学家已经证明，个人可以通过大脑而无需接触电脑键盘就能输入文字。
Scientists have shown that individuals can type by using their brains without physically touching computer keyboards.
当前的理念式把号码存储在另一种介质中，无需接触即可读取，通过短距离无线连接完成。
The latest notion is to store the number on another medium, one that can be read without contact, through a short-range wireless connection.
Twitter 4 J封装了许多函数，所以我们可以关注逻辑，无需接触Twitter的低级别API调用。
Twitter4J wraps many functions so we can focus on our logic without touching the low-level API calls to Twitter.
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