Various natural disasters occurred frequently in Jianghan Basin during the Song and Yuan period, among which both the droughts and flood disasters had the highest frequency and the biggest influence.
宋元时期江汉平原各种自然灾害频发，其中水旱灾害的发生频率最高、产生影响最大。
Dust events occurred frequently in Beijing in recent years.
近年来，北京频繁发生沙尘天气。
Systemic complications occurred frequently in liver, kidney, lung, and heart.
并发症多累及肝、肾、肺、心。
Willow twig gall midge( Rhabdophaga salics Schrank) occurred frequently and caused heavy loss.
杞柳瘿蚊发生频繁，造成很大的损失。
In recent years, river pollution emergencies occurred frequently in our country, which caused great damage and loss.
近年来，我国河流突发水污染事故频繁发生，造成极大的危害和损失。
In 1999, the cross cracks occurred frequently in cc slabs cast in our plant, and brought a serious influence to slabs quality.
1999年我厂板坯连铸生产中频繁出现横裂纹，严重影响铸坯质量。
In the spring of 2000, dust storm weather occurred frequently in Beijing, which resulted in bad effect on atmospheric environment.
2000年春季北京频频发生沙尘天气，严重影响了北京市大气环境状况。
With the speed increase this year, locomotive wobbling occurred frequently due to side abrasion of straight rails at switch point.
随着线路的再次提速，因固定型提速道岔转辙部位直股钢轨侧磨而多次引发机车摇晃。
The engineering problems-slope sliding and serious deformation in Yanji basin occurred frequently during the construction of highways.
延边地区近年来因公路修建，频频出现边坡滑动和严重变形工程问题。
In the DCS system of Douhe Power Plant through transformation, some typical faults of DEH system occurred frequently since commissioning.
陡河发电厂的机组在经过DCS改造以后，新装的纯电调系统在投入运行后出现了一些典型的故障。
In China, downward pressure on the economy increased, natural disasters occurred frequently, and there was an array of interrelated problems.
国内经济下行压力加大、自然灾害频发、多重矛盾交织。
Methane content is high and spontaneous combustion occurred frequently in Yangquan coal mines, which have a serious influence upon the safe production in the mines.
阳泉矿区煤层瓦斯含量高，井下煤层自燃频繁，严重影响了煤炭安全生产。
In recent years, the foundation pit engineering safety accident occurred frequently, so to strengthen the management of the construction of the foundation pit is important.
近年来，基坑工程安全事故频频发生，因此加强对基坑支护施工的管理具有重要意义。
In 1995, meteorological disasters in China occurred frequently, especially the serious drought and flood in some parts of China which caused great losses of life and property.
1995年，中国气象灾害十分频繁，尤其是部分地区的旱涝灾害相当严重，给工农业生产和人民生命财产造成了巨大损失。
As HABs have occurred frequently these years due to the extra nutrition of certain oceanic districts, it is high time we implemented the blue print of the precaution and controls.
近年来，海域富营养化现象不断加重，赤潮灾害发生频繁，防治工作实施刻不容缓。
However, events of animal products quality safety occurred frequently, which impacted consumers 'health and safety directly, and have aroused widespread concern in the whole society.
而畜产品质量安全事件频发，直接影响到消费者的身体健康和生命安全，引起了全社会的广泛关注。
Second, the terrain made the earthquake even more serious, thus the mountain areas were severely stricken. Secondary disasters that occurred frequently made the situation even worse.
二是地形对地震破坏的放大作用导致山区受灾严重，次生灾害频发加重了受灾程度。
In the prophase culture of medium temperature Daqu starter for Fen-flavor liquor, "water mildew" and "flint hide" occurred frequently which resulted in inferior quality of Daqu starter.
在清香型中温大曲的前期培养中，常出现“水毛”和“干皮”病害，造成大曲质量下降。
The Sichuan Yunnan region is one of the areas, where earthquake activity is strongest in the intra continent of China, and strong earthquake have occurred frequently in the recent years.
川滇地区是中国大陆内部地震活动最强的地区之一，且近期的强震活动仍十分频繁。
In recent years, disaster and emergency events have occurred frequently around the nation and even around the world, which makes the research and development of emergency communications system urgent.
近些年来，全国乃至全世界各地的灾害和紧急性事件频繁发生，这使得应急通讯服务系统的研发变得迫切。
In recent years, disaster and emergency events have occurred frequently around the nation and even around the world, which makes the research and development of emergency communications system urgent.
近些年来，全国乃至全世界各地的灾害和紧急性事件频繁发生，这使得应急通讯服务系统的研发变得迫切。
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