The government should take effectual measures to combat unemployment .

政府应采取有效措施来对付失业问题。

Industry cluster is an effectual platform and mode .

产业集群是中小企业创新的有效平台和方式。

The board may transact any of its business by circulation of papers , and a resolution in writing which is approved in writing by a majority of the members shall be as valid and effectual as if it had been passed at a meeting of the board .

管理局可藉传阅文件的方式处理其任何事务，由过半数成员以书面通过的书面决议，其效力及作用犹如该决议是在管理局会议上通过的一样。

This fasting is real effectual .

这是真实有效的禁食。

Quinine is effectual preventive for malaria .

奎宁是有效的疟疾预防药.