他们大力开展了狗的强制性登记活动。
They have campaigned strongly for compulsory registration of dogs.
他认为在学校里学习历史应该是强制性的。
He believes that the study of history should be compulsory in school.
所有骑摩托车的人都必须戴头盔，这是强制性的。
此事已通过强制性仲裁得到解决。
他结婚了，这是强制性的。
接下来是一个被称为“强制性场景”的元素。
由高中主办的的有效的强制性项目是解决这一严重问题的唯一办法。
An effective and mandatory program sponsored by the high school is the only solution to this serious problem.
这就需要建立一个全球性的检查和制衡体系，在我们与自然打交道时制定强制性的规则和约束。
This raises the need for a global system of checks and balances, for mandatory rules and constraints in our dealings with nature.
试想一下做老师的潜在特殊待遇：在办公室里养一只沙鼠做宠物，每天享受强制性的休息时间。
Consider the potential perks of a career in teaching：a pet gerbil in your office, and a mandatory recess every day.
600多名工人遭到强制性裁员。
他已经试图采取强制性法令来解决该国的问题。
He has tried to impose solutions to the country's problems by fiat.
有一位全程导游，可安排非强制性的进餐和观光。
There is a tour guide throughout the trip who will organize optional dinners and sightseeing.
性教育对一些家长来说是个敏感的话题，因此应该还是非强制性的。
Sex education is a sensitive area for some parents, and thus it should remain optional.
尽管菲律宾的人口控制措施从未达到印度那样的强制性水平，但这些措施并不受欢迎。
Although population-control measures in the Philippines never reached the coercive levels they did in India, they were not popular.
这种连接的安全性是强制性的，以保证在这些组件之间交换的消息的完整性和机密性。
It is imperative that this connection is secure to protect the integrity and confidentiality of messages being exchanged between these components.
在四节大型哲学课上，一半学生阅读了一篇关于工厂化养殖肉类的伦理文章，非强制性观看了一段11分钟的视频，并开展了50分钟的讨论。
Half of the students in four large philosophy classes read an article on the ethics of factory-farmed meat, optionally watched an 11-minute video on the topic and joined a 50-minute discussion.
他说可能会从莫斯曼地区至卡德尔地区进行强制性疏散。
He said mandatory evacuations could be carried out along the coastline from Mossman down to Cardwell.
从莫斯曼地区至卡德维尔地区进行强制性疏散。
Mandatory evacuations could be carried out from Mossman down to Cardwell.
KERS的使用是非强制性的。
一个选择就是采取强制性措施。
这个字段是强制性的，它识别查询项。
循环是阶段性和强制性的 。
罚款？做强制性的社区义工？
强制性私人储蓄属于此类。
这项汽车保险是强制性的。
这项汽车保险是强制性的。
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