optional的例句大全

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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No. A lot of these are listed as optional.

不.许多罗列的课程都是选修的.

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Two side's setting screw can optional determine the pulling height of rounded edge.

拔刀器两侧定位螺钉可随意确定刀线的拔出高度.

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Oil pressure feeding mechanism ( belongs of optional equipments ); simplified and comfortable feeding operations are provided.

油压上料机构 ( 属于选购配备 ), 提供简易、轻松的原料上料操作.

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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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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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Homework is optional, will not be chased and should be stress free for you at home.

作业是[可做可不做]的, 不应该逼迫小孩小作业,家长也不需对此感到压力.

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Many will be relieved to know that semicolons are also still optional.

知道分号依然是可选的时候，许多人都会感到轻松。

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Taking the compressible fluid as working medium, an optional design of valve plate of axial piston pump is engaged, where the configurational dimensions of the valve plate are evaluated according to the air content in the oil.

以可压缩流体为工作介质，对轴向柱塞泵配流盘进行了优化设计，即根据油液含气量的变化，合理计算配流盘的结构尺寸。

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Agile and convenient wiring function; Modular trough assembles convenient, with edge to socket, don't cut any interchangeable cover the floor; Each cover plate outlet, with optional goes.

灵活方便的布线功能；模块化线槽拼装方便，地插座与边盖板任意互换，不可切割地板；每块盖板上没有出线口，可随意出线。

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Non-lubricated, tapered plug assures tight seal with low breakout torque. Constructed of hardened materials with optional hard facing.

无润滑，锥形阀塞确保紧密密封，并且具有很低的启动扭矩。有硬化材料构造而成，配置备选硬面。

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Abrasion resistant radial wear ring is standard on Model 6123 and smaller. Hardened SS Wear Rings optional on all models.

耐磨的径向磨损环。配置在6123型号和更小的泵上。

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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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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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