occur occasionally

With rapid development of high-tech, there occur occasionally cases of encroachment on the rights in the information field. In this regard collecting evidences of encroachments is of vital importance in settlement of any future dispute arising therefrom.

随着高科技的飞速发展，在信息领域中的侵权行为时有发生，所以注重对这些侵权行为的证据收集，对今后纠纷的解决都起着至关重要的作用。

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Recent years, the legal disputes, due to the damages caused by the thrown objects off different kinds of structures, occur occasionally.

近年来，因建筑物抛掷物而引发的法律纠纷不断发生。

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In the blossom boll stage, the average wind speed is low, and the disastrous strong winds occur occasionally;

花铃期平均风速最小，偶有灾害性大风；

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Mine shaft hoist system accidents occur occasionally, causing casualties, while also caused damage of the equipment, the duration of the delay or interruption of production, seriously affected the normal conduct of the mine production activities.

矿山竖井提升系统事故时有发生，造成人员伤亡的同时，也造成了设备的损毁、工期的延误或生产的中断，严重影响了矿山生产活动的正常进行。

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The incontrollable accidents occur occasionally during demolishing the tower buildings, such as chimney and water tower.

在烟囱、水塔类等高细建筑物的拆除爆破中，失控事故偶有发生。

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Vertical transmission of hepatitis B virus ( HBV) can occur occasionally despite vaccination of the child.

乙型肝炎病毒的垂直传播可能偶发于接种了乙肝疫苗的孩子中。

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Measurement inconsistency arises from a variety of causes, most of which occur only occasionally, if at all, in short-term or experimental studies but are almost inevitable in long-term studies.

其中大多数即使出现，也只是在短期或实验室中偶然出现，但是在长期实验中不可避免。

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China is a major coal producer, the coal mine accidents and even some major and serious accidents also occur occasionally.

虽然我国是一个产煤大国，但是矿井事故甚至一些重大、特大事故还时有发生。

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We have known for a long time that mutations occur occasionally in each of us, but have had to guess exactly how often.

我们早就解到我们每个人会偶然产生突变，但是并不了解确切的发生几率（只好去猜）。

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Being lack of scientific risk assessment tools and scientific risk management system, the safety accidents occur occasionally in the process of city runnel construction.

由于缺乏科学风险评估工具和科学的风险管理体系，在现有城市隧道建设过程中，安全事故时有发生。

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With the innovation capability of global banking industry enhancing, financial derivatives are coming one after another, the factors threatening banking stability are becoming more complex, bank failures incidents occur occasionally.

随着全球银行业创新能力的不断增强，金融衍生产品层出不穷，威胁银行稳定发展的因素日趋错综复杂，银行破产倒闭事件时有发生。

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