mandatory

adj.

强制的；命令的；受委托的；

n.

受托者；

复数：mandatories

mandatory standard n. 强制性标准，法定标准；推荐性标准

mandatory provident fund强制性公积金

mandatory measures指令性措施

mandatory requirement强制性要求；必须遵循的要求

1. It's mandatory to pay taxes.
   缴税是义务性的。
2. Mandatory retirement ages need to go.
   强制退休年龄必须废除。
3. Cremation is mandatory in most areas of Guangdong.
   火化在广东大部分地区是强制性的。

Mandatory NHS service for new doctors: A cliff face that should be avoided at all costs
Mandatory Neuropeptide-Steroid Signaling for the Preovulatory Luteinizing Hormone-Releasing Hormone Discharge*
Sample size calculations in randomised trials: mandatory and mystical
[Failures in sample size calculation in randomized trial: mandatory and mystical].
Configuring role-based access control to enforce mandatory and discretionary access control policies
Animal studies are mandatory to investigate the poorly understood fate and effects of aluminum adjuvants administered to billions of...
Defibrillation testing is mandatory in patients with subcutaneous implantable cardioverter-defibrillator to confirm appropriate vent...
Exploring the Term of the Auditor-Client Relationship and the Quality of Earnings: A Case for Mandatory Auditor Rotation?
Suggestions on the application and promotion of building seismic isolation technology in Fujian——Based on mandatory policies and i...
Diagnostic Criteria for Temporomandibular Disorders: diagnostic accuracy for general dentistry procedure without mandatory commands ...