Man is a comparatively new creature on the surface of the earth.

人类是地球上出现得比较晚的一种生物。

The primitie mouth, or stomodeum, is a slight depression on the surface of the ectoderm.

原始的口（或口凹）是外胚层表面的一个轻微的凹陷。

Lichen grows on the surface of lawn, can cause grass to be choky and then to die.

青苔覆盖在地面上，容易使草坪植株窒息死亡。

In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.

以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。

Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles.

超塑化剂主要是大量吸附在水泥颗粒表面的水化产物上而不是吸附在未水化水泥颗粒表面。

In most basidiomycotes the basidia are borne on a special fertile layer, the hymenium, on the surface of a fruiting body, the BASIDIOMA.

在大多数的担子菌中，担子是由一个专门的可育层，即在子实体表面的子实层形成的。

It is shown that expansible ettringite forms in the topochemical reaction,and crystallizes in-situ on the surface of unhydrated aluminate minerals and orients radially.

发现能够产生膨胀的钙矾石是由局部化学反应所生成；它们在未水化的铝酸盐矿物表面原地结晶，呈放射状生长。

Thus a hollow appears on the surface of the nucleus.The precursor of chromatoid body gathered in the hollow and condensed into chromatoid body.

拟染色体前体物质集中于该凹陷中，并聚焦成拟染色体。

Friction Material Fade – When pads reach high temperatures they can sometime “outgas” chemicals that redeposit themselves on the surface of the brake pad.

摩擦性材料衰减——当刹车片达到高温时有时会“蒸腾”出一些化合物并再次沉积到刹车片的表面。

The residual stress formed on the surface of rolling bearing in superfinish hard turning will influence the fatigue life of rolling contacting after stress decay.

超精硬态切削在滚动轴承表面形成的残余压应力,经工作应力衰减后才成为影响滚动接触疲劳寿命的应力状态。

Sugar solutions on the surface of exposed dentine cause water to be drawn out of the dentinal tubules causing which distorts the odontoblast causing pain.

[医务英语]《专业术语—口腔生理学术语O2(英文详解)》正文： Osmotic pressure - Water tends to move towards dense concentrations of ions.

It is discovered by systematic studies that there exist, more or less, some special tangible shapes on the surface of jadeite jade article with granular crystalloblast.

经系统研究发现,具粒状变晶结构的翡翠玉件的表面或多或少存在一些特殊的微观形貌,它们是一定内部结构、构造在不同加工条件下的必然反映,即表面组构。

Murphy's primary method will be something called "laser ranging."Light from a laser fired from the Earth could hit a reflector on the surface of the moonbounce back.

Murphy的基本方法将是"激光测距"，从地球上发出的激光打射到设在月球表面的反射器上，反射回地球。

The release and aerosolization of the fungal spore on the surface of building materials are the key factors to investigate the bioaerosol exposure and harmful effects on human health.

建筑材料表面真菌孢子的释放和气溶胶的形成,是研究室内空气微生物气溶胶暴露及其对人体危害的关键因素。

Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification.

IR分析和色散分量测定表明，改性后OTS的烷基链倾斜在PTW表面。

It can quickly perfectly remove the pitch other oil smutch on the surface of car paint, iron wheels without hurting the surface of paint glass to make your car looking br-new。

具有显著的去污、清洁、上光效果，令清洗物恢复亮泽，光洁如新。

In order to lower residual heat on the surface of the block,the cooling mans is installed in interwall of the block.The wortle is soaked in cooling watr to reduce its working temperature.

卷筒内壁设备有冷却喷水装置，以降低拉拨后的钢丝传道线卷筒表面的残余热量，拉拨模具的工作温度。