optional的例句大全

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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An optional nickel-plated input unit and foot mounts are available for right-angle drive applications.

可选的镀镍输入装置和脚坐骑为直角传动应用提供.

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All exclusion and optional hire item fees will be levied upon arrivals.

所有不包括费用及额外租用项目均于抵达后取?时一并收取.

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Actually optional location job has begun, but capital is insufficient.

实际上选址工作已经开始, 但是资金不足.

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If you buy the optional adaptor, you can transfer images from any Bluetooth device.

如果您购买了可选适配器，你可以传送图像从任何蓝牙设备。

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The optional unit is text word processing at level 2.

选修单元是二级文字处理.

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The public is based on compulsory subjects, personal finance, risk management, optional 1.

公共基础是必考科目, 个人理财 、 风险管理任选一门.

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EXTERNAL DISPLAY A back panel output connector is provided for an optional external monitor.

外部显示幕幕在仪器背面板上提供了用于外部监视器的输出连接插口.

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Optional Y-coordinate of the top-left corner of the texture region to lock.

可选择用于锁定纹理区域的转角左顶点Y坐标.

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Contains input stream, positioned at the start of the optional input data.

包含输入流, 从最初可选的输入数据开始.

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The antitakeover amendment must not violate the mandatory rules of the Company Law. And the articles of association can be provided permissively when it comes to optional rules, but it should be limited by subjective legality.

公司章程反收购修改不得违反公司法强制性规范，对公司法的任意性规范公司章程可以自由规定，但要受到主观合法性的限制。

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Stuffing Box ? optional lantern rings and grease injectors are available.

填料函-可配置备选灯笼环和润滑油注射器.

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A plug-in optional circuit card for an IBM PC.

一张 插入式 任意电路卡片为IBM个人电脑.

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