occur的例句（occur在句子中的用法）

• These crystals occur in nature and are the gems known as rubies. 这些晶体是天然存在的,人们称之为红宝石.
• Strong oscillations can occur in the residuals as the number of terms is increased. 随着次数的增加,剩余时差会发生强烈的摆动.
• Where does Germany think offsetting shifts into greater external deficits might occur? 在德国看来,这么大的外部赤字应该转移到哪里?
• Chemical transformations occur. 发生了化学转换。
• This procedure allows us to keep track of the magnitudes of the terms that occur. 这种做法使我们可以时常注意所出现各项的数量级.
• The copyright infringements always occur in net space. 网络空间是著作权侵权行为的多发领域.
• Such illegalities may occur in breaststroke and underwater defining that may exceed allowable lengths. 类似的犯规行为可能出现在蛙泳比赛中,或者运动员在水下的动作超过了规定的要求.
• Approximately 60 % of hemangiomas occur in head and area. 大概60%的血管瘤发生在头部及颈部.
• Waterspouts and hailstorms occur infrequently , while snow and tornadoes are rare. 水龙卷和冰雹偶有出现, 降雪和陆龙卷则属罕见.
• Water - soaked exuding spots occur in the bark near the growing shoot tips. 靠近生长着的稍皮内有水浸出点,使该处膨大.
• The answer is yes, the fastest sunsets ( and sunrises ) occur at or equinoxes. 答案是肯定的, 日落 ( 日出 ) 速度较快出现在春分或秋分时.
• Taxa which occur only in single restricted geographical areas are known as endemics. 仅仅出现于单个有限地理区域的分类群称为特有类群.
• You must also be careful to avoid situations where deadlocks might occur. 还要小心地避免可能发生“死锁”的情况.
• This will occur both in sands and clays. 这在砂土地和粘土地带常常发生.
• The materials do not occur naturally but a nano scale, measured in billionths of a metre. 这种材料不是天然存在的,而是以纳米量级(十亿分之一米)研发而成.
• Dialects occur in birdsong as well as in speech. 语言有各种方言,鸟类的歌唱也有各种地方调.
• Whilst the detoxification requires energy, slow decay may still occur. 由于解毒作用需要能量, 所以缓慢的腐朽仍然会发生.
• Most of the cases occur at beaches without lifeguards. 其中大部分都是发生在无人看守的海边.
• When multiple saturated colors are used together , chromostereopsis and other perceptual artifacts often occur. 当使用多种饱和色时,经常出现多彩立体影像和其他视觉假象.
• Frosts often occur in November. 11月份经常出现霜冻.