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。

《牛津高阶英汉双解词典》

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.

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Certain courses are compulsory, others are optional.

某些课程是必修的，其他是选修的。

《牛津高阶英汉双解词典》

Attendance at the lecture is optional.

这一讲座可随意参加.

《现代汉英综合大词典》

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.

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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.

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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.

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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 )

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Appends the specified element of List ( optional operation ).

在列表尾部添加指定元素 ( 可选操作 ).

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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。

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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.

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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；

provided by jukuu

Optional Rules for Arbitrating Disputes between Two States

仲裁两国间争端的任择规则

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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。

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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。

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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。

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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.

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Articles marked by an asterisk are optional reading.

标示有星号的文章为选读.

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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.

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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。

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