often occur的例句大全

Signomial geometric programming ( SGP ) problems often occur in engineering design and management.

符号几何规划 ( SGP ) 问题经常出现在工程设计和管理中.

In the initial interview, researchers provided adolescents with a number of cards describing events that often occur within relationships, including everything from hand-holding and kissing to sex, Soller said.

在最初的测试中，研究者们提供青少年许多带有描述经常会出现在恋爱中的事情的卡片，这是事情小到牵手大到接吻，索勒说。

Frost of plant often occur on cloudless night with low atmospheric temperature and air humidity.

植物的霜冻一般是发生在空气温度和湿度较低，且天空无云的夜晚。

The most common accident is a multi-car rear-ends collision accompanied by fire and explosion. Such accidents often occur in the larger volume of traffic, higher speed, bad weather ( rain, snow and fog), etc. But driving members are the dominant causes.

最常见的事故是多车追尾相撞，并同时伴有起火、爆炸，这种事故多发生在交通量较大、车速较高、天气恶劣（雨、雪、雾）等情况下，而驾驶员的原因占主导地位。

The problems of definition domain, break point, or and even etc often occur in elementary function.

定义域、间断点、或与且等问题是初等函数经常遇到的问题。

Memory leaks often occur in Java when objects hold on to references inappropriately.

在Java中，当对象被不适当地引用时，内存泄漏时常发生。

For example, as heat expansion coefficient of SLA prototypes from acrylic epoxy resin is usually larger than that of the mould in the course of sintering, mould cracks often occur without some technical measures so that we can't pour liquid metal.

例如，SLA系统制作的丙烯酸环氧树脂原型存在焙烧过程中膨胀系数大于铸型的膨胀系数，若不采取一定的工艺措施，往往会使铸型开裂，而无法浇注金属液；

The ordinary spherical seal method is used in hydraulic swing arm, but its practise proves that the phenomenon of permeating and leaking oil often occur.

目前使用的液压推靠器中普遍采用了球形密封方法，实践证明该方法常有渗、漏油现象发生。

Foreign object damage ( FOD) events to fan/ compressor blades often occur during the operation of aeroengine. They are very dangerous to the flying safty of aeroengine and aircraft.

航空发动机在其工作过程中会发生风扇/压气机叶片的硬物损伤事件，给发动机和飞机的飞行安全带来危害。

Results The incidence rate of colonic ileus complicated with severe pancreatitis is 3.9%. Its location often occur to splenic flexure and transverse colon. Clinical symptom always appear in two or three months after non operation therapy and progressive aggravate.

结果本组重症急性胰腺炎并发结肠梗阻发生率为3.9%，其发生部位多位于结肠脾曲及横结肠，梗阻症状多在重症急性胰腺炎行非手术治疗后2～3个月内出现并进行性加重。

in other words, creative and novel effects often occur within timelines when they enter a time node (proximity to other timelines).

换句话说，创造性和戏剧性效果经常发生在，当多个时间线进入同一个时间节点（接近其他时间线）的时候。

epicures' thoughts on ethics play an important role in the history of western ethics even though misunderstandings often occur.

伊壁鸠鲁的伦理思想在西方伦理思想发展史中占有重要的地位，但常被误解。

Wheel type construction equipments are widely used in transportation, water conservancy and electric power projects. They often have to travel on rough roads so wheel wear and wheel shaft fatigue often occur due to much wheel skid.

轮式工程机械用于交通建设、水利电力等工程施工，经常行驶的路况较差，车轮容易出现打滑，使车轮磨损、车轴疲劳。

In judokas and wrestlers there often occur special wounds of auricle induced by exercise.

在柔道和摔跤专项运动中,常发生一种特殊的耳廓运动性损伤.

disease surveillance is not adequate to detect cases of sylvatic yellow fever that often occur in remote areas.

疾病监测不足于检测到常发生在偏僻地区的丛林黄热病病例。

these benign lesions often occur in the metaphyseal region of growing bones, especially the humerus and femur.

这些良性之病灶好发于成长中长骨的骨骺部，尤其是肱骨及股骨。

Hirsutism often occur later, it refers to the excessive growth of terminal hair in women, with distribution and growth characteristics like men.

雄激素性多毛症指女性终毛过多，且呈男性型分布和生长特征，常比痤疮更晚出现。

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.

Skiing is not allowed here because avalanches often occur.

此处因常有雪崩发生,所以禁止滑雪.

Bronchial tube asthma ( i.e. asthma) is a kind of common and frequently-occurring disease often occurred in respiratory system in recent years, and its prevalence rate and the case fatality rate globally has a increasing tendency year by year.

支气管哮喘（简称哮喘）是呼吸系统的常见病和多发病，近年来其患病率和病死率在全球范围内有逐年增加的趋势。