Fears are growing for the safety of a teenager who disappeared a week ago.

If you really want to get your hands dirty with an Object Database, go to the Resource section and go through the Grok Tutorial.

如果您真正希望动手使用对象数据库，请转到参考资料部分并仔细阅读Grok教程。

There is no question that the templated version is smaller, easier to maintain and easier to grok than the first version ( assuming a basic understanding of templates).

毫无疑问模板版本比第一个版本更小、更容易维护、更容易理解。

Eventually, the player uses an existing skill to grok another skill.

最终，玩家用已有的技能去获得新技能。

Children grok this show immediately but their parents take longer to get it.

孩子很快就通过感觉理解了这一演出，他们的父母却花了更长的时间才理解。

To use an ancient expression from the1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

Virtual enterprise& 21th century enterprises' structure for survival and development

虚拟企业&21世纪企业生存与发展的主要组织形式

Chongqing municipality and Qinghai province are planning to be the next two, reported the 21th Century Business Herald, as the regions have brought up such cuts on agenda as part of the supply-side reform.

根据21世纪经济报报道，重庆市、青海省计划成为接下来采取措施的两个地区，因为这两个地区已经就供给侧改革提出了类似的削减计划。

21th century is an inter-organizational information system ( IOIS) driving group competition era and it is more and more obvious that the effectiveness of IOIS has been becoming more important.

21世纪将会是由组织间信息系统驱动的群体竞争的时代，组织间信息系统的重要作用越来越明显。

The nucleus of the former commodity quality as the latter is the quality of the human existence environment. Julian, a quality management expert predicted "21th century is the century belong to quality".

前者的核心是商品的质量，后者的核心是人类生存环境的质量，质量专家朱兰博士预言：21世纪是质量的世纪。

Dudok alone shaped most 21th century Hilversum and approximately 75 buildings still bear his unique characteristics, His masterpiece, Hilversum Town Hall, was built in 1928-1931.

杜尔克自主打造了21世纪希尔弗瑟姆的大部分城景，其中大概75座建筑仍有他的个人风格。他的杰作希尔弗瑟姆市政厅建于1928-1931年。

The £ 5 banknote was first issued at the end of the 18th century

五英镑面值的钞票最早在18世纪末发行。

They can trace their lineage back to the 18th century.

他们的家族可以直接追溯到18世纪。

The family made their money in the 18th century.

这个家族在18世纪创下了家业。

Classical landscapes were a popular subject with many 18th century painters.

古典风景画是18世纪许多画家所喜欢用的题材。

In the 20th century, airplanes replaced trains for long distance travel.

在20世纪，飞机代替了火车进行长途旅行。

A heavily ironclad warship of the 9th century with a low, flat deck and one or more gun turrets.

巨型低弦战舰：一种9世纪的战船，外有厚重的铁甲包裹，还有一个低平的甲板和一个或多个炮塔。

No one is quite sure how the massive pillars of rock were formed, but it is thought that people started to live there in the 9th Century.

没有人可以确定那些巨大石柱是怎么建造出来的，但是一般认为人们从9世纪就开始住在那里。

Known since the 9th century, it was a leading cultural and commercial center by the 4th century and came under Hapsburg rule in 52 '.

该城自公元9世纪就已闻名于世，到4世纪为止是一个处于领先地位的文化及商业中心，于52 '年开始为哈布斯堡王朝所统治。

Porcelain was made as early as the 9th century.

早在公元9世纪就产生了瓷器。

From the end of the 9th century to the middle of the 13th century, the grotto art of North China gradually declined, but in the Yangtse River Valley, new creations came into being.

从公元9世纪末到13世纪中叶，中国北方的石窟艺术日渐衰落，但在长江流域却又出现了新的创造。