简单释义：

---

adj. 必需的；必备的；必不可少的

n. 必需的事物

网络 必需品；必要的；需要的

变形：

复数：requisites  

---

完整释义：

---

n.

1.必要部分
2.必需品;要素,要件
3.必需的东西
4.必不可少的性质

adj.

1.必要的,必需的,需要的
2.必要,必要的,必不可少,所需要的;所要求的
3.必须的
4.不可少的

---

例句：

1. A pre-requisite to usability testing is a pre-specified context of use, set of users and the tasks they would accomplish with the system.
   可用性测试的前提条件是需要有预先指定的使用环境，弄清用户和他们想要用系统完成的任务。

2. After doing the above pre-requisite steps, you perform exactly the same tasks as you would for a 'normal' (non-Citrix) client install.
   执行上述先决条件步骤之后，后面的步骤与“普通”（非Citrix）客户端安装的步骤完全相同。

3. Intellectual innovation is a requisite of leading activity development and reform , and practice is the springhead of it .
   思维创新是领导活动发展和变革的先导，实践是领导思维创新的源泉。

4. Beneath all the requisite genre trappings there 's a vast , empty gulch where the affecting dramatic element should have been found .
   在那些西部片所必需的标志之下，是一个巨大的、空虚的沟壑，在那里，本该找到些感人的戏剧元素。

5. Such considerations and calculations can be quite complex; hence the need for an expert with the requisite esoteric knowledge.
   这些考虑和计算可能相当复杂，需要听取掌握必备艰深知识的专家的意见。

6. For philosophy alone, it seems to be imagined, such study, care, and application are not in the least requisite.
   但是对于哲学，大家却觉得似乎没有研究、学习和费力从事的必要。

7. You've resisted giving the chairman a piece of your mind and stolen the requisite number of Post-It notes.
   你不准备和董事长谈谈你的想法，还偷偷拿了必要数量的报事贴。

8. A control unit calculates the requisite damping forces within milliseconds, and adjusts the dampers just as quickly.
   一个控制单元计算出所需的毫秒内阻尼力，并调整阻尼器。