The goal is not to see how far you can go, but to see how WELL you can do the drill for a single length.

练习目标也不是看自己能够游多远，而是观察你在一个泳池的长度的练习中动作做得怎么样。

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A parallel mechanism based on contact measurement scheme with the measuring probe composed of a small magnetic wheel and single length link is put forward.

提出了一种并联式伸缩机构作为传感器执行机构、定长测量臂的磁性滚轮扫描测量轮辋尺寸的接触式检测方案。

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Each piece of the 200-square-metre structure, which is supported by funnel-shaped legs, is formed by a single length of resin-coated fibre and weighs just 45 kilograms.

整个结构面积达200平方米，其中的每一部分都由漏斗状的结构支撑，由单向的树脂包层纤维组成，重量仅45千克。

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So if we look at its length, it's actually shorter than a single bond, but longer than a double bond.

因此如果我们看它的键长的话，它实际上比单键更短，却比双键更长。

麻省理工公开课 - 化学原理课程节选

Its greatest exponent is Yasuki Hiramatsu, born into a family of metalsmiths, who, through an annealing process, can twist a single length of gold or silver into a ring or necklace enchantingly resembling a minimalist bird's-nest.

ECONOMIST: Contemporary jewellery

The new FUJINON XF14mm (21mm) F2.8 single focal length lens offers a stunning, ultra wide angle that delivers exceptional resolution from edge to edge.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

With three glass lens elements in three groups, it can be used as a wide-angle lens equivalent with a single focal length of 30mm (35mm camera equivalent).

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)