So the dynamic response of the plate girder bridge under moving loads are the problem which is concerned about all along, and also a project to be studied deeply.

同时，简支板梁桥又是小跨径桥梁最常用的桥型之一，因此，移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。

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"Well,I think the message from the United States personally coming here will obviously be a positive impact,in the sense that President Obama's administration is deeply concerned about the displaced people,".

VOA: standard.2009.06.03

Mr. Chairman, I very much appreciate the opportunity to address this distinguished Committee on an issue about which we both have cause to be deeply concerned: The potentially serious, and adverse, impact on the U.S. military and the national security more generally of the Kyoto Protocol to the Global Climate Change Treaty (GCCT).

CENTERFORSECURITYPOLICY: Gaffney testifies on Kyoto

Mr. Chairman, I very much appreciate the opportunity to address this distinguished Committee on an issue about which we both have cause to be deeply concerned: The potentially serious, and adverse, impact on the U.S. military -- and the national security more generally -- of the Kyoto Protocol to the Global Climate Change Treaty (GCCT).

CENTERFORSECURITYPOLICY: Center For Security Policy

"I'm deeply concerned about the rather slow pace we seem to be making this to come true for America, " he said.

CNN: Ashcroft says lawmakers moving too slowly