定期, 循环, 间歇, 周期, 定期刊行, 期刊的英文

periodically

• 定期:    fix a date regular ...
• 循环:    circulate; circle; ...
• 间歇:    intermittence; int ...
• 周期:    period; cycle; cir ...
• 刊行:    print and publish
• 期刊:    journal; periodica ...