By the limitations of the existing road traffic, motor vehicle accidents often occur.

However, the postoperative complications often occur.

然而，肺癌术后并发症经常发生。

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At the beginning of my internship, when these problems often occur.

在刚开始我的实习工作的时候，时常会出现这些问题。

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Natural calamities often occur nearby golden section day between solar terms.

自然灾害多数出现在节气之间的黄金分割日附近。

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Content abstract: complaints, is often occur in the hotel one word.

内容摘要：内容摘要：投诉，是酒店中常常出现的一个词。

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Changes in job or communicative patterns often occur associated with this transit.

在此行运期，工作上的改变或沟通形式往往关联发生。

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Quite amounts of accidents often occur in mining process.

煤矿在开采过程中，常常会发生很多事故。

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Kinetic injuries often occur when students have their physical education classes.

在中学体育教学中，经常会发生一些运动性损伤。

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In natural environment, sound signals often occur with background noise.

在自然环境中，声音信号常处于一定的背景噪声环境下。

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In the construction process, engineering changes often occur.

建设项目建设过程中，常会发生工程变更。

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Geological diseases often occur in the civil construction.

地质病害在土建施工中是经常发生的。

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Thus, claims are often occur during construction of a project.

因此，在工程的实施过程中，索赔是经常发生的。

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Hepatitis B, C and D usually occur as a result of parenteral contact with infected body fluids.

发生乙型、丙型和丁型肝炎通常是由于通过非肠道途径接触了受感染的体液。

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They usually occur during stressful moments, such as when a person is in danger.

它们通常出现在压力大的时候，比如说当人处于危险中。

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They usually occur along the boundaries of the thin plates that cover the Earth like an egg shell.

地震一般都在较薄的板块边缘沿线发生，而较薄的板块对地球而言就像鸡蛋壳一样。

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In blasting engineering work, the influence of complicated geological conditions whiCh usually occur on blasting effect comes in many ways.

定向爆破工程中，爆区地质条件往往很复杂，因此对爆破效应的影响也是多方面的。

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Osteoporosis is usually occur concomitantly with arterial calcification in elderly.

众所周知老年患者发生骨质疏松的同时常常伴发血管钙化。

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BACKGROUND: Vascular complications usually occur in diseases related to obesity such as primary hypertension or diabetes.

背景：原发性高血压、糖尿病等肥胖相关性疾病往往出现血管并发症，活血化瘀法治疗肥胖症有一定疗效，据此推测肥胖与血瘀证可能相关。

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Tunnel projects usually occur in city where high-rise building and elevated bridge etc have badly concentrated.

地铁工程建设多滞后修建于高层建筑、高架桥梁等已高度密集的城市环境中。

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Terrible things usually occur at midnight.

可怕的事情通常在午夜发生。

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The mutations usually occur in mucous malignant cancer and the mutation rate is increased significantly.

polβ基因突变多发生在粘膜性恶性肿瘤，并且突变发生频率也相对较高。

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