optional
- adj.随意的,任选的,可选择的,非强制的;选修的
opt- 选择 + -ion 名词后缀 + -al ...的
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Change to true in order to install an optional feature .
为了安装可选择的特性,将变更为true。
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You may simply want to indicate that the fragment is optional .
你可能只是想要指出片段是可选择的。
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This model comes with a number of optional extras .
这一型号有一系列可供选择的附件,价格另计。
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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。
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Metallic paint is an optional extra .
喷金属漆是自由选择的,要额外收费。
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Sex education is a sensitive area for some parents , and thus it should remain optional .
性教育对某些家长而言是个敏感领域,因此应该保持其非强制性。
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We also recommend a full day optional excursion to the Upper Douro
我们还推荐去杜罗河上游的短途自选一日游。
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Optional extras include cooking tuition at a top restaurant
可选的额外项目包括在顶级餐厅学习厨艺。
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A holiday isn 't an optional extra . In this stressful , frantic world it 's a must
休假并非可有可无。在这个紧张而忙碌的世界,它是必不可少的。
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Chinese is our optional course to us students of science .
中文是我们这些理科学生的选修科目。
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We have some optional subjects .
我们有一些选修科目。
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Our attendance at graduation is optional .
毕业典礼可以自愿参加。
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Taking optional subjects will enrich our mind .
选修科目会丰富我们的思想。
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As a senior next year , I think extra periods should be used to take optional subjects .
作为一名明年即将大四的学生,我认为应该用额外的时间选修科目。
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Special lighting and climate control are optional , since " I Am " is immaterial …
特殊照明和温度控制可有可无,因为“我存在”并不是一件实物。
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It'should include sex of emulative , optional choose , history inheritance and but representative .
它应该包括竞争性、可选择性、历史继承性和可代表性
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Compliance with Practice Advisories is optional .
是否遵守实务公告由审计师自行选择决定
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It is optional with you .
那是你的自由。
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The Innovation and Practice of Optional Course of Modern Educational Technology
现代教育技术公选课的改革与实践
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Prospective analysis of sustainable development of optional sports teaching in universities
高校体育选项教学可持续发展的影响因素分析
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The Research of Problems of PE Optional Course in the General University
对普通高校体育课选项过程中若干问题的研究
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Different templates take a different number of optional parameters .
不同的模板接受不同数量的可选参数。
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Analysis on the Optional Situation of Accounting Policy for Listed companies in China
我国上市公司会计政策选择状况的分析
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Study on the Practice and Theory of Piano Optional Course in Colleges
高校公共钢琴选修课的实践与理论研究
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Electrical control has applied famous brand ( optional ) parts .
电气控制可采用名牌(选配)元件。
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However , this part is also optional .
但该部分也是可选的。
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An Optional Model of Portfolio Investment with Fuzzy - Coefficient
具有模糊系数的证券组合投资选择模型
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Real-time Optional System for Vehicle Scheduling of Logistics Distribution
物流配送车辆调度实时优化系统
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Establishing system of optional courses of sports in institutes and universities
高校体育课程建立学生选课制的实践研究
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The Smoothing and Optional Adaptive Enhancing Algorithm Applied to Nuclear Medical Image
核医学图像的平滑及自适应增强算法