查询词典 optional

required course compulsory course：必修课

president 校长 | required course"compulsory course 必修课 | optional course 选修课

required：必需的

算法(Algorithm) 必需的(Required) 推荐(Recommended) 可选(Optional)开放软件基金会(OSF)的分布式计算环境. DCE是一个被广泛接受的解决方案,用于开发和部署安全的、企业级的分布式计算应用,提供网络安全、透明的服务分配和跨平台通信的能力,

Restrictions：限制條件

你同样可以在一个数据类型中增加限制条件(restrictions)来限制它的内容,或者你可以要求数据与指定的式样相匹配. XML Schema有许多内置的(built-in)数据类型. 常用的类型(见XML Schema介绍之简单数据类型). 1.3简单元素的默认(default)值与固定(fixed)值2.XSD属性(Attributes)2.5任意(Optional)和必须(Required)属性3.XSD约束

returnable：可退回的

可收到的;应收到的 receivable | 可退回的 returnable | 可以任选的 optional

Peak Season Ticket Surcharge：旺季机票附加费

OPTIONAL Roundtrip HK Airport Express ~ 20% OFF 自选 回程香港机场快线:八折 | Peak Season Ticket Surcharge 旺季机票附加费 | Weekend Surcharge is not included. 包括周末出发附加费

The spy is shy of taking shelter on the shelf of the shell-like shed：间谍怕在壳子一样的棚里的架子上栖身

150. For example, this simple sample s... | 151. The spy is shy of taking shelter on the shelf of the shell-like shed. 间谍怕在壳子一样的棚里的架子上栖身. | 152. The optional helicopter is adopted to ...

converts from Shoulder Bag to Belt Holster：转换从肩袋,以带

Accepts MAS accessories.接受MAS的配件. | converts from Shoulder Bag to Belt Holster.转换从肩袋,以带holster . | Converts to chest pack with optional harness.转换胸部包与可选的治理. (S-500) ( - 500...

Studded connections：螺柱连接

ext.pressure toriconical head 受外压折边锥形封头 | 26 studded connections螺柱连接 | 27 optional type flange任意型式法兰

take an examination/sit an examination：参加考试

optional course 选修课 | take an examination/sit an examination 参加考试 | oral examination 口试

take an examination/sit an examination：参与考试

optional course 选修课 | take an examination/sit an examination 参与考试 | oral examination 口试

Apportioned Effort：分摊努力

Applied Direct Costs 实际直接成本 | Apportioned Effort 分摊努力 | Apportioned Task 分摊任务

tussah silk fabric：柞丝绸

tussah silk carpet 柞丝毯 | tussah silk fabric 柞丝绸 | tussah silk fancy yarn 柞粗纺丝