查询词典 optional course

Because the optional rule is optional, it will always return a match.

因为 optional 规则是可选的，它总是返回匹配。

The X-Ray is vacuum bagged in ?berglass and infusion-molded in kevlar/carbon with fibreglass/vinylester deck. Equipped as standard with a deep retractable skeg, The X-Ray is available with an optional ingenious retractable rudder and an optional day hatch.

X-Ray 是用袋子抽真空，并通过玻璃纤维/乙烯基塑料甲板，向模具中注入凯夫拉尔合成纤维/碳， X-Ray 可选择性配置灵巧的可收回的舵，以及可选择的仓口。

Very fast person has doubt to the website, but have very quickly ace weighs our website a few times to a few websites of 3 made trade off study likewise at home, reach vast land is apparently strong on the service of personalized homepage at the person of the same trade, have more functions, basically the window defines size oneself, the window is optional daggle, optional fixed position (seem to have certain technical content).

很快人对网站有迷惑，但很快就有高手将我们的网站于国内几家同样称3.0的几家网站做了比较分析，得出阔地在个性化主页的服务上明显强于同行，拥有更多的功能，主要有窗口自定义大小，窗口随意拖曳，随意定位。

In the transmission mechanism of optional drive ratio worm crank pin,the circular pitch of annulus worm changes from the function of optional drive ratio.When the annulus worm tums equably,the roll-pin crank brings shift tuming through joggling,and it can applly to dumping and turning mechanism of ladle.

变传动比蜗杆曲柄销式传动机构，其环面蜗杆的齿距是依变传动比的函数关系变化的，当环面蜗杆匀速转动时，通过啮合使滚销式曲柄产生预期的变速转动，可应用于铸造生产的铁水浇包的倾转机构。

Meanwhile, process of memory, environmental effect, start of transmission– importance of attitude, optional attention and optional understanding are acceptors'psychological factors.

同时，记忆的过程、环境效应、传播的起点——态度的重要性、选择性注意以及选择性理解是影响广告效果的受众心理因素。

It is shown in this study that both the optional courses given by some schools and choices made by students about the optional courses are not well-based.

为检验该模式发展学生身体素质的效果，与单一专项选项教学模式进行了对比实验研究。

On the other hand, in raytraced refractions, the point of a surface stroke by a light ray will return the color of its background environment, according to the rate of transparency (mixing the base color and the background environment's along with its optional filtering value) of the material and the optional index of refraction of the material, which will distort the viewing angle.

另一方面，该点将会返回它的背景环境的颜色，取决于材质的透明度（混合物体的基本颜色和背景环境）和可选的折射率。

New box design with durable 0.5 inch (13 mm) paving skin Vertically-adjusting mold mount for precise leveling of mold to machine Telescoping end sections with 12 inches (305 mm) of width variation on each side are available Standard paving depth is zero to 24 inches (610 mm)Edge slump adjustment Hydraulic Vertical Hinged Sideplates, self-contained inside the mold for track clearance Split, pressure-compensated sideplates Folding side plate wings for transporting without removing Pivoting mold mounting beam to eliminate stress points Self-supported TA is hydraulically driven with 3.5 inch (89 mm) ACME screws for up to a six inch (152 mm) crown Front and rear top T-bar on mold for attaching accessories and structural integrity Inserts are bolted together with front and rear alignment pins for easy mold assembly New vibrator mounting tube attaches to T-bar on mold – Vertical vibrator lift – Rear lubrication system with grease zerks accessible from the work bridge New strike-off – Mounted on paver frame T-rail, independent of the mold – New modular design with wedge lock system for ease in changing widths – 10 inches (254 mm) of hydraulic height adjustment – Hydraulic crown adjustment Spreader plow mounted to paver frame T-rail, optional auger available Tamper bar optional

与耐久性的新的箱子设计铺精密水准测量的0.5英寸(13 mm)皮肤垂直调整的模子登上模子用机器制造挤撞与12英寸(305 mm)的末端部分在每边的宽度变异是可利用的标准铺的深度是零对24英寸(610 mm)边缘暴跌调整水力垂直的取决于的Sideplates，独立性在轨道清除分裂的模子里面，折叠运输的pressure-compensated sideplates旁边板材翼没有去除在轴上旋转的模子架置射线消灭重音点Self-supported TA水力驾驶与3.5英寸(89 mm)由六英寸(152 mm)冠决定的尖端螺丝在前后冠上在模子的T酒吧附有的辅助部件并且结构正直插入物与容易的模子汇编新的振荡器架置管随员T酒吧的定位销一起在前后被闩上在模子–垂直的振荡器推力与油膏zerks的–后方润滑系统容易接近从新工作的桥梁触击–在摊铺机框架足迹，模子的独立登上了与楔子锁系统的–新的模块设计在改变的宽度的舒适的– 10英寸(254 mm)水力高低调整–水力冠调整分布器犁登上了对摊铺机框架足迹，任意任意木钻可利用的堵塞器的酒吧

The mathematics teachers in high schools are not only the guarantee of the smooth implement of mathematics course standard but also an executant of the foundation course reform .But a big margin exists between the roles of the mathematics teachers in high schools of the course system and the expectation of the new course. So it is very necessary to relocate the role of the mathematics teachers in the new course.

而中学数学教师不仅是数学课程标准顺利实施的保障者，同时又是基础教育改革的实践者，但是现行课程体系下中学数学教师的角色形象与新课程的期望之间存在着较大的差距，因此重新定位中学数学教师在新课程中的角色是非常必要的。

By test the function of network enroll, to browse course information, reselect course, course inquiry, publish elective course list, modify user's data and justify student's elective course in the system are implemented.

经过测试，该系统实现了网上报名、浏览课程信息、课程重选、课程查询、选课名单公布、修改用户资料、调整学生选课等功能，使学生可以方便地在校园网上进行网上选课。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？