查询词典 null class

In general, topics, or even whole units, are introduced first in class, using typical exchanges, then studied piecemeal outside of class (using lesson material, working with the flashCube program and checking progress with the exercises) to the point that they can form the basis of class practice and further review.

经过这些基本资讯交流之后，学生们便要在课后慢慢消化课上所学的知识（利用教材所提供的内容，配合flashCube，并利用书后的练习来检查自己的进度），为课堂练习和以后的长远复习打下一个良好的基础。

In general, topics, or even whole units, are introduced first in class, using typical exchanges, then studied piecemeal outside of class (using lesson material, working with the flashCube program and checking progress with the exercises) to the point that they can form the basis of class practice and further review.

经过这些基本交流之后，学生们便要在课后掰开揉碎地消化课上所学的知识（利用教材所提供的内容，配合闪光灯程序，并利用书后的练习来检查自己的进度），为课堂练习和以后的长远复习打下一个良好的基础。

In general, topics, or even whole lessons, are introduced first in class, then studied piecemeal outside of class (using lesson material, working with the flashCube program and checking progress with the exercises) to the point that they can form the basis of future class practice and further review.

一般来说，第一堂课便会介绍主题或所有的课程，之后，在课外分批阅读(使用课程教材，结合flashCube软件程式，并且利用活动来检查进度)，这样一来，学生得以养成对未来课程的练习基础及做更进一步的复习。

In general, topics, or even whole lessons, are introduced first in class, then studied piecemeal outside of class (using lesson material, working with the flashCube program and checking progress with the exercises) to the point that they can form the basis of future class practice and further review.

一般来说，第一堂课便会介绍主题或所有的课程，之后，在课外分批阅读(使用课程教材，结合flashCube软体程式，并且利用活动来检查进度)，这样一来，学生得以养成对未来课程的练习基础及做更进一步的复习。

The age class structure of Salix oritrepha population in alpine, cloudy and wet area of east Qilian Mountian is studied ,on two levels of genets and their ramets and sprouting branches .The results show that genets population is very short of the first and second class seedlings,and most of seedlings belong to the third and forth classes, and the development trend of population on this level is stable;on the other hand,the age structure of remets and sprouting branches population is more complete,and its age class distribution chart likes triangle, belonging to increasing type.In general,Salix oritrepha population in this area is increasing, but its reproduct way have changed in community succession process in order to accommodate varying circumstances.

从无性基株个体种群和无性克隆分株及萌生枝种群两个层次上对东祁连山高寒阴湿地区山生柳种群年龄结构进行分析，结果表明：无性基株个体种群 0~10 龄级幼苗贮备严重不足，11~20 龄级苗木所占比重最大，种群动态呈稳定型；无性克隆分株和萌生枝种群年龄结构比较完整，结构分布图呈正三角形，种群动态表现为增长型；总体上来讲山生柳种群呈增长趋势，只是在演替过程中为适应环境其繁殖方式有所改变，导致现阶段山生柳种群两个层次结构状态。

Industrial enamel factory production equipment performance glass keep out the professional standards in line with the country,"glass-lined equipment and test methods" First, second-class pressure vessels and equipment in line with the country "Steel Pressure Vessels" standard, and have achieved one, second-class pressure vessels (including the lining glass pressure vessel) and a manufacturing license, second-class pressure vessel design qualification certificates; Hunan Province are the only factory producing glass-lined equipment, according to the user's special needs to provide quality services.

工业搪瓷分厂生产的搪玻设备性能符合国家专业标准《搪玻璃设备及试验方法》一、二类压力器符合国家《钢制压力容器》标准，并取得了一、二类压力容器制造许可证及一、二类压力容器设计资格证；是湖南省唯一生产搪玻璃设备的厂家，可按用户的特别需要提供优质服务。

Stator insulation class rises to F class and temperature rise limites within B class.The project adopts I/A device of Foxboro Company.

发电机的绝缘等级提高到了F级，发电机的温升按照B级考核。

For example, the class 0 and class 1 passive tags and readers from Matrics and Alien, respectively, available in 2004 will be quickly made obsolete when the EPC standards body, EPCglobal, completes definition of the class 1, gen 2 tag later this year.

例如，今年年底全球EPC标准组织完成1级的第二代标签的制定后，2004年由Matrics 和Alien 公司开发和提供的0级和1级无源标签和阅读器将很快失去用途。

Our company has many professional and technical personnel, Main Air Shower, pass box, FFU, in order to design a first-class level, high-quality project management, good service support and the integrity of the service concept for the semiconductor, microelectronics, PCB, photoelectric technology, optical instruments, bio-pharmaceutical, chemical, food and other high-tech areas of Class 10 ~ 100000-class environment to ensure cleaner production.

本公司拥有众多专业技术人才，主营风淋室、传递窗、FFU等，以一流的设计水平、优质的项目管理、良好的服务支持和诚信的服务理念为半导体、微电子、PCB、光电技术、光学仪器、生物医药、化工、食品等高科技领域提供Class 10~100000级的洁净生产环境做保证。

We have been insisting on the principle that "to do first-class work, production-class products in order to get a first-class level" to high-quality products and services to meet customer requirements, we pursue the idea that "customer fortune, seeking ronin development "Let us in the basis of mutual benefit cooperation, we will strive to provide our customers with the highest quality products.

我们一直坚持的原则是&做一流的工作，生产一流的产品，达到一流的水平&，以高质量的产品及服务来满足于客户的要求，我们奉行的理念就是&以客户发财，求浪人发展&，让我们在互惠互利的基础上合作，我们将努力为我们的客户提供最优质的产品。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了