You should have this properly backstopped during the training period so that the trainee's errors don't reach beyond your own department.
在培训期间，您必须有好的方法防止受训者的错误超出您的部门。
These needs are backstopped by expertise from all levels of the Organization and by our traditional work in developing norms and standards and providing direct technical support to countries.
应通过本组织各级提供专业知识，通过我们在制订规范和标准方面开展的例行工作，并通过向国家提供直接的技术支持，协助满足这些需求。
These needs are backstopped by expertise from all levels of the Organization and by our traditional work in developing norms and standards and providing direct technical support to countries.
应通过本组织各级提供专业知识，通过我们在制订规范和标准方面开展的例行工作，并通过向国家提供直接的技术支持，协助满足这些需求。
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