In the Token type field, select Username.

在Token type字段中，选择username。

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The Activity type field is a drop-down list.

Activity 类型字段是一个下拉列表。

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The name-type field is constructed using an INTEGER.

name - type字段是用一个INTEGER构造的。

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While trapping of charged normal atoms can be done with electric or magnetic fields, trapping antihydrogen atoms in this "hands-off" way requires a very particular type of field.

BBC: Antimatter atom trapped for first time, say scientists

Being so far north, much of region - some 146, 000 square km - is covered by glaciers and ice caps (a type of ice field where glaciers flow off in many directions).

BBC: Canadian glaciers face 'big losses'

Balsillie named carrier billing, value-added services, some undefined new type of advertising and Near Field Communications (NFC) as features that would soon be added to both the PlayBook and BlackBerry smartphones.

FORBES: RIM Earnings Show Future Hinges On PlayBook Tablet