happed怎么记

Through joint efforts of related departments and overall effective measures and on the premise of ensuring no depletion happed in the Yellow River, the water for urban and rural areas along the river and for agricultural and industrial use has been well coordinated during the water regulation period.

经过有关单位、部门的共同努力和采取综合有效措施，调度期内，在确保黄河不断流的前提下，较好地协调了沿黄地区城乡人民生活及工农业生产用水。

Objective To evaluate the therapeutic effects of shell type anastomosis of esophago gastric seromuscular layer in radical operation of cardiac cancer. Results In 387 patients with this method, no anastomotic fistule and stricture happed.

目的观察食管胃浆肌层套式吻合在食管癌、贲门癌根治术的治疗效果。结果387例食管胃浆膜肌层套式吻合中无吻合口反流，无吻合口狭窄和瘘发生。

Human activities impact on bird's breeding does happed in this area aswell. FEEDING HABIT OF THE SOUTH POLAR SKUA AROUND ZHONGSHAN STATION, EAST ANTARCTICA

另外，人类活动对本区麦氏贼鸥繁殖习性和繁殖率所产生的影响不可忽视。南极中山站附近麦氏贼鸥食性研究