Tilting disc Check Valves consist of a cylindrical housing, with a pivoted circular disc.

翻转式阀瓣止回阀由圆柱形外壳及转动圆盘阀瓣构成。

In this paper, we point out that there exists a logic problem to calculate the area of circular disc in many textbooks of calculus.

本文中我们首先指出在现行很多“析”和“高等数学”教材中出现的计算圆的面积存在逻辑循环的问题。

The multiple reflection within the circular disc provides a design feature to reduce the influence of non-total internal reflection and significantly improves the measurement linearity.

光线在圆盘内的多次反射显著地消除了非全内反射的影响，有效地改善了测量线性度。

When Venus begins to cross the Sun's disc, it looks smeared not circular—which makes it difficult to establish timings.

当金星开始穿过太阳的圆盘时，它看起来有斑点，不是圆形的——这使得确定时间变得困难。

Magnetic DisC: a generic term for any flat circular plate having a magnetic recording surface onto which data may be recorded, erased and recorded.

磁碟：任何有着可以用磁力作贮存，删除，再贮存的表面的圆形板片的总称。

The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .

声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。

Pull out before you want to open on the back of the circular disk lock plate with hooks, nut spanner remove round nut, reoccupy special pull the son will disc pull out.

拉出前，先要开圆盘背面的圆螺母锁片，用钩形扳手拧下圆螺母，再用专用拉子将圆盘拉出。

In this paper, the study of disc spring is simplified and regarded as the symmetrical bending of circular plate with initial bending deflection.

本文将碟形弹簧简化为具有初挠度的圆环形薄板的对称弯曲问题。

The lower pairs were substituted for the higher pairs in order to study the specific properties of the disc cam with the circular profile and the follower attached to the roller.

并以最大无量纲速度和加速度为标准，将凸轮机构从动件常用运动规律特性与该圆弧凸轮的从动件运动规律特性加以比较，指出其适用场合为中、高速轻载。

Magnetic disc a generic term for any flat circular plate having a magnetic recording surface onto which data may be recorded, erased and rerecorded.

任何有着可以用磁力作贮存，删除，再贮存的表面的圆形板片的总称。

So it is necessary to improve measures by adding the sweeping side teeth and modifying the tooth profile from rectangle into circular arc in the top disc.

据此在端盘上增加扫边齿和齿座外形由直角形改为圆弧形的改进措施。

Grooves on an inner circular edge of the upper plane of the brake disc are uniformly distributed.

在刹车盘上平面内环边沿有凹槽，凹槽均匀分布。

Because data is stored in a spiral fashion, users should avoid wiping the disc in a circular motion.

因为数据是以螺旋方式储存的，用户应避免以环行的运动方式来擦拭光盘。

The ILM was stained and removed in a circular fashion 1-2 disc-diameter from the edge of the macular hole.

内界膜被染色，距黄斑裂孔边缘1 ~ 2个视盘直径环行剥除内界膜。

The spray holes on the distribution disc are arranged according to a regular triangle or a square, and the baffle plate is a circular or square or triangular flat or convex or tapered plate.

分布盘上喷淋孔按正三角形或者正方形排列，挡板为圆形、方形或者三角形的平板、凸板或者锥形板。

An annular groove is arranged on an outer circular cylindrical surface of the brake disc.

在刹车盘外环柱面上有环形凹槽。

The disc of the plate disc adopt overall circular structure, the granulation rate may reach above 93%.

造粒盘盘角采用整体圆弧结构，成粒率可以达93%以上。