First, you can mix single and double quotation marks when creating a string, as long as the string USES the same type of quotation mark at the beginning and end.

第一，在创建字符串时，您可以混合使用单引号和双引号，只要字符串在开始位置和结束位置使用同一类型的引号。

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Note that the values in a list or dictionary don't have to be all of the same type; you can mix strings, Numbers, and even nested lists and dictionaries if you wish.

注意，列表或字典中的值不一定必须是相同的类型；可以混合使用字符串、数字，甚至是嵌套的列表或字典，如果需要的话。

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In military terms C-4 is also referred to as PE4 or T4, depending on the type of plasticizer used for the explosive mix.

军事上，根据其加入的可塑剂种类的不同，C - 4也被称为PE4或者T4。

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"We've tried to mix experience and youth in the right team to face the type of challenge that Samoa present, " said Kidney.

BBC: Samoa name strong line-up to face Ireland in Dublin

The outbreak has been traced to a type of pomegranate seeds from Turkey that are in the Townsend Farms fruit mix, Gaar said.

CNN: Frozen fruit mix suspected in hepatitis A outbreak

Tapping on the preferred network type option, you can select either LTE on its own, or a mix of LTE, GSM and CDMA. According to the videos, the Google phone then taps into your carrier's LTE network if Band 4 is available, and you're good to go.

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