The axis of a circle is its diameter.

圆轴线是其直。

The circle has a diameter of 6 inches.

这个圆直六英寸。

The pond has a diameter of three hundred metres.

这池塘直有三百米。

The hardpoint's diameter is defined by the inner diameter, as seen in the image.

挂载点直就是指，如上图。

The diameter and the circumference of a circle correlate.

圆直与圆周有相互关系。

A diameter passes through the center of a circle.

直从圆心穿过。

This microscope magnifies 40 diameters.

这台显微镜能放大40倍。

The dynamic light scattering is an effective method to measure grain diameter in nanon and submicron.

动态光散射技术是测量纳米及亚微米颗粒粒有效方法。

The diameter of dentinal tubule was not uniform due to peritubular dentine was demineralize.

横剖面见牙本质管口因脱矿而呈现不规则。

Near the Martian equator sits a volcano 1,100 kilometers in diameter named Syrtis Major.

在火星赤道附近，座著一个直1100公里火山，称为大三角。

It is unanimous to design the multihole micro-irrigation pipe to variable diameter pipe withuniform pressure.

把微灌多孔管道设计成压力均衡变管道，已是众人所望。

The water droplet diameter in diesel emulsion was characterized with microphotography and arithmetic statistic mean method.

利用显微摄像技术及算术统计平均方法表征柴油乳化液水滴粒。

These shotty nodes are usually firm, not fixed, and are less than a centimeter in diameter.

这些似弹丸样结节通常坚硬，不固定，直1厘米。

Due to the brittleness of fiber, the godet and wingding rollers with large diameter were used.

由光纤比较脆,采用了大尺寸导丝盘和卷绕筒。

Select Burn Tool, select brush diameter around 45, set Range to Midtones, set Exposure to around 8-10%.

选择加深工具，画笔直45左右，将范围设置为中间调（图片中为阴影，应该是作者写错了），将曝光设置为8-10%。

The pore diameter was very tiny so that it could prevent hydrotropic solution entering into the pore.

二是孔隙尺寸很,水溶液不能渗入到孔隙,不能到达基体。

It should be realised that ovalisation of the 22mm outer diameter pipes was minimal and difficult to measure.

显然，22毫米外管成椭圆形是最且难以测量。

Sand Mineral particles consisting mainly of quartz, felspar, and mica, and measuring between 2 and 0.05mm in diameter.

主要由石英、长石、云母等矿物微粒构成，其直在0.05~2mm之间。

In the past, Thinnet coaxial cable with an outside diameter of only 0.35 cm was used in Ethernet networks.

在过去，外围直仅0.35公分细同轴电缆被用在乙太网路。

Ballizing is a method of finishing on internal diameter.It can give improvement in dimensional tolerance, roundness and surface finish.

球推压法是一种孔精整加工方法,能提高孔尺寸、形状精度和改善表面粗糙度。