defence organization meaning in Chinese

防御机构防卫机构

The passed - joint hypo - beam as the first line of defence organization against horizontal force ineluctably bear most curves during the first period under the seismic force , which ca n ' t be balanced by the pre - stressing force of the pre - stressed hypo - beam , therefore , the first crack will occur on it ' s end and at last develop into the plastic - hinge
2 、通过本次试验，并结合他人的一些研究成果，我们应该可以认为边梁扭矩对节点的受力性能是有利的。弯、剪、扭的受力机制并不会使节点的抗震性能有明显的降低。