查询词典 sharpener pencil sharpener

The length of this pencil is seventeen centimetre .

这铅笔17厘米长。

With the development and progress of the society, autonomous learning and characteristic learning become more and more important in the instructional mode of adult education, and the paper-and-pen exam comes to expose its disadvantage like unilateralism and changelessness. We find out in instructional practice that the paper-and-pencil tests usually hard to fit the cognition of adult learner, so it is hard to evaluate accurately and efficiently.

在实际教学中我们发现，传统的笔试方式往往很难适应成人学生的认知特点和认知规律，从而难以保证考试结果作为课程教学效果测评的准确性和有效性；并且，传统笔试形式极大忽略了考试的诊断反馈功能，忽略了考试结果所体现出的教学过程中出现的问题或是教师很难从考试结果中发现问题，因此不能有针对性地改进教学。

While shifting an unwieldy old chifforobe or striping away some ghastly wallpaper, they appear... those indeliable pencil marks on the wall, scratched at irregular intervals.

当把旧衣橱挪地方，或者撕掉那些碜人的墙纸时，它们出现了……这些不可磨灭的铅笔笔迹，不经意地涂写在墙上。

In 1900, a father gave a pencil box for Christmas , and the kid was all smiles .

在1900年，父亲给一个铅笔盒做圣诞礼物，孩子们满脸笑容。

What color is your pencil box?

你的铅笔是什麼颜色？

Commodities: tea box, round box, vase, compote, pencil box, brush pot, stationary box, etc.

一精美实用的、茶盒、圆盒、花瓶、果盘、笔筒、文具盒等。

Accoring to the polar theory of conic section, the characteristics of geometrical graphics concerning the conic section is discussed from following three aspects:the conbination of Point and line, harmony of point range and pencil of line , trace of point and enveloping of straight line.

本文根据二次曲线的配极理论，从点、线的结合性，点列和线束的调和性，点的轨迹和直线的包络三方面研究与二次曲线有关的几何图形的性质。

This algorithm is proposed on the basis of the thought as follovvs: as for three dimensional Euclid space, the feasible region of any linear programming problem is a extended convex polyhedron, of which surface is consisted of some planes, and its objective function can be regarded as a parallel plane pencil with objective function value acting as parameter.

如果线性规划问题有最优解，那么过可行域的一已知顶点必至少存在这样一条棱——它以该己知顶点为一端点，可行域的另一顶点为另一端点，并使目标函数在另一端点的函数值优于己知端点的函数值，否则，该己知点就是线性规划问题的最优解。

The creative work in june in 2007~each one choose a kind of engraving,mine is copperplate,all of manuscripts were drew with pencil on A4 paper.

07年6月份的创作课~自选一个版种，我选了铜版，手稿全是用铅笔在光滑的A4纸上慢慢磨出来的。

And that boy told Miss Cottle that it's me throw pencil to the floor.

是那个男生告诉MISS COTTLE我把钻笔扔地上。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。