All sailboats need a keel of board for this reason: the narrow, flat surface of the board or keel produces little drag when the boat moves forward but resists motion sideways.
所有的帆船都为了这个理由需要某种龙骨：狭窄平滑的龙骨表面对于帆船的前行几乎没有阻力，但却能很好抗拒侧移力。
He continuously hopped up and down as he was running forward, kicking his little legs in the air and across the surface of the water before inevitably falling face-first into the waves.
他不停的跳起跳下，向前奔跑，努力的在头沉下去之前，踢踹、击打水面。
A surface temperature databank like this, and the infrastructure around it, would be a big step forward.
像这样的地表温度数据库和其配套的基础设施也将是一大进步。
The whole feature parameters and local feature of spacial geometric features of road surface are put forward.
提出了表征路面表面空间几何特征的整体特征参数和局部特征参数。
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
爪形和环形断裂由表面硬度偏高造成，并提出解决断裂问题的合理化建议。
Don't use the fins for more speed or power, but just allow the larger surface area to push you forward a bit more.
不要用鳍为更多的速度或权力，但仅允许更大的表面积来推动你向前多一点。
The surface of the Wanda Reign Hotel in Wuhan, China, comprises 902 hexagonal aluminium modules that lean forward and are angled in section to protect the rooms from solar gain.
万达瑞华酒店位于中国武汉，表面包括902块六角形铝制模块，向前倾斜并且部分成角度，来保护房间免受太阳光辐射。
The anti-lock brake principle, regulating braking pressure output properties in accordance with condition of road surface so as to control the wheel slip ratio in idea scope, is put forward.
提出了针对路面条件通过控制器调节制动压力输出特性使车轮滑移率处于理想的范围，以实现防抱死制动的原理。
If you're holding the arm out front, try to stabilize the arm just under the surface, and focus on sending the fingers forward.
如果你将手臂放前面，试图稳定的将手臂控制在水面下，注重把手指往前送。
The net energy flux of the guided waves related to these surface polaritons may be forward, backward or even be stopped.
负折射手征介质平板的表面波能流可以向前或者向后，甚至可以停止。
Based on the digital image processing technique, a method for automatically measuring the three-dimensional parameters of casting surface roughness is put forward.
提出了一种用计算机对铸造表面粗糙度进行数字图像处理和三维参数自动检测的方法。
The forward part or surface, as of a building.
前部，正面前面部分或表面部分，例如指建筑物。
By the analysis of cut piece of billet C12200, a new view is put forward for tube surface bubble of phosphorous copper in the extrusion.
通过对C12200铸锭的切片分析，提出挤压过程含磷类管材表面起泡的新见解。
To surface, you need to press "Up" on the directional pad while moving forward.
到表面，您需要按“上的方向键”，同时前进。
Through analyzing the problems existing in the belt conveyors in site, this paper puts forward a kind of trough with curved surface which behaves nicely in practice.
通过对现场使用的带式输送机给料槽存在的问题进行分析，设计出一种曲面给料槽。实践证明使用效果良好。
It is difficult to control the hole and the slope during frozen drill in profundity surface soil, this text bring forward some experience of management and construction.
针对深厚表土层中冻结钻孔存在的钻孔深、偏斜率难控制等施工存在的问题，提出了一些施工与管理的经验。
This paper analyzes gear failure resulted by damage of teeth surface and puts forward some methods improving touch strength of gear.
对齿轮齿面损坏造成的齿轮失效进行了分析，并提出了一些提高齿轮接触强度的方法。
A novel polishing technique based on the two-dimension vibration of fluid is put forward to obtain ultra-smooth surface without damage.
本文阐述了一种基于流体二维振动的原子级无损伤超光滑表面加工技术。
The author analyses the causation of asphaltum road surface damage and puts forward relevant prevention measurement.
本文作者对沥青路面的病害成因作了一般性分析及论述，并提出了几项防治措施。
High energy, high resolution optical system put forward new demand for traditional analysis of surface profile.
高能量、高分辨力光学系统给传统的光学面形评价指标提出了新的要求。
The paper studies the tessellating algorithm of NURBS curve and surface, then puts forward the tessellating method of NURBS tri-parametric solids.
随后论文研究了NURBS曲线曲面的分割算法，进而推导出NURBS三参数实体的离散方法。
Comparison inspection and control methods of surface quality of laser cutting were put forward.
提出了激光切割表面质量比照判别的方法与标准。
A rolling finishing method for stainless steel bar surface conditioning is put forward.
提出了用连续滚压的方法对不锈钢钢筋进行表面精整。
A rolling finishing method for stainless steel bar surface conditioning is put forward.
提出了用连续滚压的方法对不锈钢钢筋进行表面精整。
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