Therefore stress echocardiography can be used as a gate keeper for coronary angiography.
因此负荷超声心动图试验可被看作是冠脉造影的守门人。
At present, we should take the role of the national publishing associations into full play to fulfill the rights and interests of editor as the gate-keeper on cultural communication.
当前要充分发挥行业协会的作用，尊重编辑作为文化传播把关人的权益。
The HKMAO continues to play the role of a 'gate-keeper' to ensure that Mainland authorities at all levels conduct business with the HKSAR in line with this principle .
港澳办继续担当“守门员”的角色，确保内地各级部门按这个原则与香港特区交往。
The HKMAO continues to play the role of a 'gate-keeper' to ensure that Mainland authorities at all levels conduct business with the HKSAR in line with this principle .
港澳办继续担当“守门员”的角色，确保内地各级部门按这个原则与香港特区交往。
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