mandatory
It's mandatory to pay taxes.
缴税是义务性的。
The predetermined mandatory order, organization or position of symbols in a computer instruction, data or word, data transmission message, etc. The order is mandatory so that the computer can understand and interpret the information.
对计算机的指令、数据或字以及数据传输所预先确定的且必须遵循的各种符号的次序、结构或位置。次序必须遵循，否则计算机不能理解和解释信息。
Attendance at the meeting is mandatory.
出席会议是必要的
A reply to this letter is mandatory.
这封信非答覆不可。
The need to mix and match tool components will become mandatory.
工具部件的混合和配对之需求将是强制性的。
Yet some form of attenuation is mandatory.
然而有些衰减形式是必须采用的。
Counseling is available, but not mandatory.
他们可以接受心理咨询，但没有人强制他们这样做。
Assiduous respiratory care is mandatory.
我们强调精心的呼吸护理。
The offence carries a mandatory life sentence.
这种罪行依照法律要判无期徒刑。
Attendance is mandatory at all meetings.
所有会议皆不得缺席.
It is not mandatory to form OCs, however.
不过,当局并无强制规定成立法团。
It is not mandatory to set a filter for a trace.
并不一定要为跟踪设置筛选器。
Please fill in the mandatory fields marked.
号空格为必须填写。
Note that not all of the componentas are mandatory.
注意到并非所有的组建都是可被命令的?
You are mandatory to re-examine your eyes.
你必须再一次检查你的眼睛。
Experience with digital imaging is mandatory.
对数传图像的经验是强制性的。
Mandatory retirement ages need to go.
强制退休年龄必须废除。
Do mandatory testing exert any effet?
强制性化验有无作用?
Specify the preparer. That is not mandatory.
指定制作人。这不是必须的。
Mandatory testing is not the answer, prevention is.
艾滋病检测不应该是强制性的。
Source file is mandatory (duh!).
源文件是必需的（嘿！）。
Is an internet connection mandatory for game play?
是一个互联网强制连接的游戏吗?
Mandatory standards must be complied with .
强制性标准必须执行。
Specify the publisher. That is not mandatory.
指定出版商。这不是必须的。
Cremation is mandatory in most areas of Guangdong.
火化在广东大部分地区是强制性的。
The money is mandatory, the hoes is fully strapped.
金钱可以命令一切,妓女们却身无分文。
Add uppercut on the mandatory 5.
上勾拳加5出强制。
The largest "Mandatory Jewish settlements" are located in Warsaw.
最大规模的“强制性犹太人居住区”是位于华沙。
An excellent understanding of English would be mandatory.
必须具有极好的英语理解能力。
Remember,growing older is mandatory,growing up is optional.
记住，衰老是无法抗拒的，而成熟却是可以选择的。
Age restriction is mandatory for Category III films.
第iii级影片则有年龄限制，并会强制执行。
Party Name, Qualifier and Value are mandatory fields.
参与方名称、限定符和值均是必需字段。
BR> Every takeoff is optional. Every landing is mandatory.
每个起飞是自愿性的,每个降落是强迫性的。
Fans can expect airport type security with mandatory pat-downs.
球迷将被强制搜身，接受机场一样的安全检查。
It is mandatory to pay a debt within a certain period of time.
在一定的期间内还债是必须的。
There is no evidence to support the use of mandatory HIV testing.
没有证据支持使用强制性HIV检测。
Conduct mandatory training, on-job training and cross training.
提供新进员工培训、在职培训以及交叉培训。
An unsupported mandatory extension was found near line %1.
在第%1行附近发现不支持的命令扩展名。
This is the only mandatory part of the specification.
这是该规范唯一必需的部分。
Unable to find a mandatory log file after the tape was downloaded.
在下载的磁带中找不到强制日志文件。
You have to take collision insurance; it's mandatory.
你必须要买碰撞保险,这是规定的。
In any case, separation of the two viewpoints is mandatory.
无论如何，把这两种观点分开是必不可少的。
Mandatory community service? Perhaps even a short jail term?
做强制性的社区义工?甚至是短期监禁?
Are mandatory regulations required for water quality in Australia?
澳大利亚的水质是否需要强制性法规?
Experience in design institutes is preferred, but not mandatory.
具有设计院工作经验者优先,但非必要条件。
Article 35. The enterprise must fulfil the mandatory plans.
第三十五条企业必须完成指令性计划。
This great book should be mandatory reading in schools.
又过了12年，我才终于坐下来阅读了本书。
Competence in both written and spoken English is mandatory.
较好的英文口头及书面表达能力。
BEE is mandatory only for the government and state-owned companies.
BEE法案仅对政府和国有企业来说是强制性的。
P align=left>Every takeoff is optional. Every landing is mandatory.
每个起飞是自愿性的,每个降落是强迫性的。