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- Earthquakes occur frequently in this area. 這一地區經常發生地震。
- Collapse occurred frequently in the Tianchi Lake area of Changbaishan Mountain. 摘要長白山天池地區崩塌災害頻頻發生。
- Earthquakes occur frequently in Japan. 日本時常發生地震。
- Claims occur frequently in international trade. 國際貿易中經常發生索賠現象。
- But pulmonary disease occur frequently after HSCT. 但HSCT術后肺部併發症時常發生。
- 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. 粉砂淤泥質海岸開挖的開敞航道,普遍存在淤積問題,而且在風暴浪作用過後,經常出現泥沙大量驟淤現象。
- Lightning fires occur frequently when lightning storms, especially dry lightning storms happen in frequently burned area. 雷暴，尤其是乾雷暴的出現時，遇到森林火災多發地區，雷擊火常常也多。
- 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. 新疆精伊霍鐵路所經過的天山支脈科古琴山南坡的地質、地理條件複雜,是新疆雪害發生嚴重的地區之一,雪崩和風吹雪災害都很發育。
- Occurring frequently or habitually; usual. 通常的經常地或習慣地出現的；通常的
- Deadly infectious diseases such as smallpox and the plague occurred frequently and even ran rampant. 天花、鼠疫等烈性傳染病屢有發生和流行。
- Moreover, the subsidence event of this area occurred from 1996, and tended to cease after 2000. 另外，本區下陷事件大約從1996年開始發生，至2000年以後方才逐漸趨緩；
- If myocardial infarction in small area occurred,the blood vessels should be opene... 小面積心肌梗死,不僅在急性期作血管再通,還應防治它的危險因素。
- Lured by the high profits,colliery accident has occurred frequently,but also growing. 在高利潤的誘惑下,煤礦事故頻繁發生,而且愈演愈烈。
- Paederus dermatitis is occurred frequently in the countryside in the warmer tropical climates. 摘要隱翅蟲所造成的皮膚炎，常見於夏季時鄉村地區。
- 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. 楊金溝礦區白鎢礦體產於下古生界五道溝群地層與印支期二長花崗岩內外接觸帶中。
- The results show that the dominant types in winter are N and NW types. C,CSW and SW types occur frequently in summer. 結果表明:哈爾濱冬季以N,NW型為主,夏季以C,CSW和SW型為主。
- Because of this, different types of natural disasters occur frequently with obvious seasonality and regionality. 發生頻繁；具有明顯的季節性；具有很強的地域性等特點。
- Because of this,different types of natural disasters occur frequently with obvious seasonality and regionality. 發生頻繁;具有明顯的季節性;具有很強的地域性等特點。
- Scientists were unsure what set off the avalanches and whether they occur frequently or only during the spring. 科學家還不清楚是什麼引發了雪崩，以及這些雪崩是經常發生還是僅在春季發生。
- 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，封閉黃河源區的多石峽被切開，湖水外泄，現今的黃河形成了，同時發生了襲奪長江水系的水流。
