为了测试3G和4G是如何影响调制解调器的电池寿命的，我在我的实验室进行了一些测试。
To see how connecting with the modem over 3G or 4G affects battery life, I ran some tests back at my lab.
您猜猜，第一个测试版的用户就使用了那个类型的调制解调器。
You guessed it... the first beta customer used only that type of modem.
我曾经在一家网络公司工作过，该公司将一个产品进行了beta测试，尽管用某一种类型的调制解调器会失败。
I once worked for a networking company that shipped a product to a beta test even though it was failing with one type of modem.
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