查询词典 optional

Sex education first appears on the compulsory curriculum when pupils between 11 and 14 years old learn the basics in science class; relationships, sexually transmitted diseases and the inadvisability of conceiving in one's teens are relegated to the optional "personal, social and health education".

当11至14岁的学生开始学习科学基础课程时，性教育才第一次出现在义务教育的课程中。两性关系、性传播疾病、未成年人怀孕的不明智做法被降级为一门"个人、社会及健康教育"的选修课。

Ways of investing in china are optional: you can inaugurate a copartership with china, also can you establish corporate sole.

在中国的投资方式很多，你可以同中方公司合资办企业，也可以独资办公司。

As an optional second parameter, you can specify the character to use to indent with.

作为第二个可选参数，你可以指定缩进用什麼字符代替。

This paper addresses high speed communication solution between 16 bit microcontroller?based data acquisition system and PC/AT compatible computer. After 16 bit Industry Standard Architecture peripheral interface of PC is analysed, a 16 bit parallel communication card is developed with three kinds of optional modes: poll, interrupt and DMA.

为了解决单片机数据采集系统与PC机之间大数据量交换时的低速问题，剖析了目前广为流行的PC／AT兼容机ISA通道的16位I／O接口原理，并通过细致的电路设计，开发了一种通用性很强的高速16位并行通讯插卡，且使用了3种可选的通讯方式，即查询、中断和DMA。

ESBCalc Pro is an Enhanced Windows Scientific Calculator with Infix Processing, Exponential Notation, Brackets, Scientific Functions, Memory, Optional Paper Trail, Printing, Result History List, Integrated Help and more.

esbcalc Pro是一个增强的Windows计算器科学与infix加工，指数符号，括号内的，科学的功能，记忆体，可选文件线索，印刷，结果历史记录列表，综合的帮助和更多。

ESBCalc Pro is a Enhanced Win32 Scientific Calculator with Infix Processing, Exponential Notation, Brackets, Scientific Functions, Memory, Optional Paper Trail, Printing, Result History List, Integrated Help and more.

esbcalc亲是一个增强的Win32科学计算器与infix加工，指数符号，括号内的，科学的功能，记忆体，可选文件线索，印刷，结果历史记录列表，综合的帮助和更多。

Sample data is provided and there is an optional Getting Started wizard to assist with entering initial live data.

样本数据是提供有一个可选的入门向导，以协助进入初步的实时数据。

They look optional, but I don't know whether to install or not.

他们期待可选的，但是我不知道是否要安装或没有。

All 1/4 valves shall have optional field installable male thread and tubing end connector adapters.

所有DN8阀门应该配置备选现场安装的外螺纹和管状端口连接适配器。

The Nokia N900 has 32 GB of internal storage, which is expandable up to 48 GB via optional microSD cards (up to 16 GB in size).

诺基亚 N900拥有 32 GB的内部存储，这是可扩充至48 GB的通过可选的microSD卡（高达 16 GB的大小）。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。