• voluntary enlistment - 引用次数：6

  The American mobilization policy of manpower before the Civil War was the voluntary enlistment. The transition from the voluntary enlistment to the compulsory military service went through a long historical process.

  美国在内战以前的人力动员政策是志愿兵役制，从志愿兵役制到义务兵役制的转变经历了一个漫长的历史过程。

  参考来源 - 从志愿兵到义务兵
• voluntary service system

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