这并不是强制性的；g cc会尝试通过读取操作数来提供相应的后缀。
This is not mandatory; GCC tries provide the appropriate suffix by reading the operands.
Web服务操作Account . create需要一个新的强制性参数country，因此我们对Address类型进行修改，以添加这个新字段。
The Web service operation Account.create needs a new mandatory parameter for country, so we modify the Address type to add this new field.
存在特定于DMS的锁可以阻止在备份时发生不相容的操作，而且在分割的时候这些是强制性的。
There are DMS-specific locks that prevent incompatible operations from occurring at the same time as a backup, and these are also enforced at the time of the split.
其主要目标是把像广告一样的新型形式的视频传播给于一种强制性的标准，但是批评家也指出这样的政策很难有操作性。
The aim is to impose standards governing things like decency and advertising on these new forms of video, but critics regard the rules as too heavy-handed.
推荐的关闭程序：用戴手套的手紧紧地关闭阀门。推荐操作钢瓶阀门时总是戴手套。禁止用扳手或其它强制性的工具来操作阀门。
Recommended Closing Procedure: Close the cylinder valve tightly using a gloved hand. Always wearing gloves when operating cylinder valves. NEVER use wrenches or other persuaders to operate the valve.
移动式起重机操作员行业认证(液压)在魁北克省是强制性的，而在爱德华王子岛省是自愿的。
Mobile crane operator (hydraulic) trade certification is compulsory in Quebec and available, but voluntary, in Prince Edward Island.
在新斯科舍省，魁北克省，安大略省和马尼托巴省塔式起重机操作员行业认证是强制性的，但在爱德华王子岛省是自愿的。
Tower crane operator trade certification is compulsory in Nova Scotia, Quebec, Ontario and Manitoba and available, but voluntary, in Prince Edward Island.
目的为卫生部新颁布的强制性标准施行达标提供操作和管理参照。
OBJECTIVE To provide reference for the implementation of the compulsive standards of operation and management that Ministry of Health recently issued.
目的为卫生部新颁布的强制性标准施行达标提供操作和管理参照。
OBJECTIVE To provide reference for the implementation of the compulsive standards of operation and management that Ministry of Health recently issued.
应用推荐