optional的例句大全

The course consists of ten core modules and five optional modules.

这门课程包括十个必修单元和五个选修单元。

Airfield: 4 Firehawks, which is enough to destroy an opposing Tech are optional.

机场: 4个火鹰, 这足够您摧毁敌人得高科了,云层推进升级可选.

Certain courses are compulsory, others are optional.

某些课程是必修的，其他是选修的。

Attendance at the lecture is optional.

这一讲座可随意参加.

Air pressure type cooling device are optional parts by customers.

可依客户需求增设气冷式冷却设备.

The appearance of two new optional color effect: soil and grass green bronze.

对于外观,有两种新的效果色可选: 土青铜色与草绿色.

Optional argument which specifies what target to build in the subproject.

可选参数用来指定子项目将要构建什么目标.

A general categorization ( optional ). Negative, epithelial cell abnormality, or other ( see interpretation below ).

大体分类 ( 可选择项 ). 正常, 或上皮细胞异常, 或其他 ( 参看以下描述 )

Appends the specified element of List ( optional operation ).

在列表尾部添加指定元素 ( 可选操作 ).

We carried out the optional research of the method that be acceptable for breaking up the cell wall of Ascomycetes DS-9701. and used analysis of SDS-PAGE to research expressional distinction of soluble protein of cell during Ascomycetes DS-9701 was cultivated under different temperatures.

本论文对子囊菌DS-9701菌体细胞进行了破壁方法的选择研究，并采用SDS-PAGE分析方法研究了子囊菌DS-9701在不同培养温度下生长，其细胞可溶性蛋白质表达的差异性。

Sex education is a sensitive area for some parents and thus It'should remain optional.

性教育对于部分家长来说是敏感领域,因此可以作为选修课.

Optional rules for arbitrating disputes between two parties of which only one is a state;

仅一方是国家的两方争端仲裁任择规则；

Optional Rules for Arbitrating Disputes between Two States

仲裁两国间争端的任择规则

In view of the performance control of X Aero engine, a dual-mode optimization asymmetry FLC ( fuzzy logic controller) which is switchable, amendable and optional for multi-input is designed.

针对某型涡扇发动机的性能控制，设计了一种可进行多输入选择的开关式双模非对称、非线性段量化因子可自寻优的Fuzzy控制器。

Backpack, sport hiking shoes, hat, sunglasses, alpenstock, glove, knee pad ( optional)

背包、登山鞋或运动鞋、遮阳帽，墨镜，登山杖，手套，护膝。

Optional for hard and soft brusher device, which is special design for hard LOW-E glass washing.

可加装软硬毛刷清洗选择装置（选购件），适合对硬LOW-E玻璃的清洗。

Safety nets, if too generous, make work optional.

保障体系如果过于全面, 将使工作不再必需.

Articles marked by an asterisk are optional reading.

标示有星号的文章为选读.

According to customers'needs, PLC touch-sensitive screen is optional.

该机控制系统可另外根据客户需要选择PLC控制系统,触摸屏界面.

But, in this example, the order of the optional arguments is more a nuisance than a benefit and their positions are easily confused, which can lead to subtle errors of misidentification.

但是，在这个例子中，可选参数的排序与其说是一个有利条件，倒不是说是个麻烦，它们的选项很容易被搞混，这会导致微妙的身份识别错误。