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- Earthquakes occur frequently in this area. 这一地区经常发生地震。
- Collapse occurred frequently in the Tianchi Lake area of Changbaishan Mountain. 摘要长白山天池地区崩塌灾害频频发生。
- Earthquakes occur frequently in Japan. 日本时常发生地震。
- Claims occur frequently in international trade. 国际贸易中经常发生索赔现象。
- But pulmonary disease occur frequently after HSCT. 但HSCT术后肺部并发症时常发生。
- A common problem with the open channel in silty mud coast area is siltation,and the drastic sand siltation under the actions of storm wave occurred frequently. 粉砂淤泥质海岸开挖的开敞航道,普遍存在淤积问题,而且在风暴浪作用过后,经常出现泥沙大量骤淤现象。
- Lightning fires occur frequently when lightning storms, especially dry lightning storms happen in frequently burned area. 雷暴，尤其是干雷暴的出现时，遇到森林火灾多发地区，雷击火常常也多。
- The conditions of geology and geography are complex, snowslide and drifting snow occur frequently, so this place becomes one of the most serious snow disaster area in Xinjiang. 新疆精伊霍铁路所经过的天山支脉科古琴山南坡的地质、地理条件复杂,是新疆雪害发生严重的地区之一,雪崩和风吹雪灾害都很发育。
- Occurring frequently or habitually; usual. 通常的经常地或习惯地出现的；通常的
- Deadly infectious diseases such as smallpox and the plague occurred frequently and even ran rampant. 天花、鼠疫等烈性传染病屡有发生和流行。
- Moreover, the subsidence event of this area occurred from 1996, and tended to cease after 2000. 另外，本区下陷事件大约从1996年开始发生，至2000年以后方才逐渐趋缓；
- If myocardial infarction in small area occurred,the blood vessels should be opene... 小面积心肌梗死,不仅在急性期作血管再通,还应防治它的危险因素。
- Lured by the high profits,colliery accident has occurred frequently,but also growing. 在高利润的诱惑下,煤矿事故频繁发生,而且愈演愈烈。
- Paederus dermatitis is occurred frequently in the countryside in the warmer tropical climates. 摘要隐翅虫所造成的皮肤炎，常见于夏季时乡村地区。
- The scheelite orebody of the Yangjingou mining area occurred in the contact zone of the lower Paleozoic Wudaogou Group strata and the Indo-Sinian adamellite. 杨金沟矿区白钨矿体产于下古生界五道沟群地层与印支期二长花岗岩内外接触带中。
- The results show that the dominant types in winter are N and NW types. C,CSW and SW types occur frequently in summer. 结果表明:哈尔滨冬季以N,NW型为主,夏季以C,CSW和SW型为主。
- Because of this, different types of natural disasters occur frequently with obvious seasonality and regionality. 发生频繁；具有明显的季节性；具有很强的地域性等特点。
- Because of this,different types of natural disasters occur frequently with obvious seasonality and regionality. 发生频繁;具有明显的季节性;具有很强的地域性等特点。
- Scientists were unsure what set off the avalanches and whether they occur frequently or only during the spring. 科学家还不清楚是什么引发了雪崩，以及这些雪崩是经常发生还是仅在春季发生。
- The Yellow River in the source area occurred from the last Late Pleistocene to the earliest Holocene, and meanwhile the Yellow River captured the current of the upper reaches of the Yangtze River. 在晚更新世末期到全新世初期，封闭黄河源区的多石峡被切开，湖水外泄，现今的黄河形成了，同时发生了袭夺长江水系的水流。
