A level

英 [ˈeɪ levl]

美 [ˈeɪ levl]

n. 高级证书考试(英国中学单科考试，通常在毕业年级进行)

Collins.2

牛津词典

noun

高级证书考试（英国中学单科考试，通常在毕业年级进行）
a British exam taken in a particular subject, usually in the final year of school at the age of 18
1. You need three A levels to get onto this university course.
  你要参加这个大学教程，就需要通过三科高级证书考试。
2. What A levels are you doing?
  你在准备哪些科目的高级证书考试？
3. I'm doing maths A level.
  我在准备数学高级证书考试。
4. two A level passes/two passes at A level
  两门高级证书考试及格

柯林斯词典

N-VAR （英国中学生17或18岁时参加的）高级程度考试；高级程度考试证书
A levelsare British educational qualifications which schoolchildren take when they are seventeen or eighteen years old. People usually need A levels if they want to go to university in Britain.
1. He left school with four A levels...
  他中学毕业时通过了4门高级程度考试。
2. Laura is taking A levels next summer in theatre and religious studies.
  明年暑假劳拉将参加戏剧和宗教研究两门课的高级程度考试。

双语例句

A person at a level two energy has feelings of anger and thoughts of conflict.
第二级能量的人怀有愤怒的感情和对抗的思想；
He left school with four A levels
他中学毕业时通过了4门高级程度考试。
Virtual machines provide a level of isolation I've never had on my own desktop.
虚拟机提供了我的台式机中所不具有的隔离级别。
So dynamic languages effectively add a level of indirection.
所以动态语言有效地添加了一级间接寻址。
Laura is taking A levels next summer in theatre and religious studies.
明年暑假劳拉将参加戏剧和宗教研究两门课的高级程度考试。
A slice includes a level from a hierarchy of each dimension of the cube model.
一个切片包含来自多维数据集模型的每个维的层次结构的一个级。
An Access Specifier declares a level of access to a function or method.
AccessSpecifier声明了访问一个函数或者方法的级别。
A tablespace provides a level of indirection between a database and the tables stored within the database.
表空间在数据库与存储在数据库中的表之间提供了一个间接层。
This provides a level of control over a VPS, defining how much memory is available, how many interprocess communication ( IPC) objects are available, and so on.
这为VPS提供了一定层次上的控制，定义了有多少内存可用，有多少进程间通信（IPC）对象可用等。
Seeing this link assists you in risk assessment and even in a level of effort analysis.
看到这个链接将帮助进行风险评估，甚至帮助进行工作级别的分析。