They also say that semantic technologies do not offer a substitute for current practices, rather a complement to them and that web engineers need not abandon experience but should build on it.

他们还提到，语义技术并不是当前做法的替代品，而是在此基础上的补充，网络工程师无需抛弃以往的经验，相反而应建立在此之上。

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Then, in the Middle Ages, engineers discovered that such supports would last even longer if their downstream side was also shaped to offer little resistance to the current.

然后，在中世纪，工程师发现这些桥墩在下游这一侧如果也建成对水阻力比较小的形状，桥墩寿命还要延长。

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For example, in Roman times, engineers discovered that if the upstream supports of a bridge were shaped to offer little resistance to the current of a stream or river, they would last longer.

例如，在罗马时代，工程师们发现如果桥的上游的桥墩建成对目前河流水阻力小的形状，桥墩的寿命会更长。

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's engineers and technical workers delivered a split decision on a new contract Tuesday, with the engineers accepting their offer and the technical workers rejecting theirs and authorizing a future strike.

NPR: Boeing Engineers OK Contract; Tech Workers Say No

With the sets of basic specifications and features set in stone, HTC's engineers can then offer the right phone sizes that meet the carriers' requirements, as well as showing a relatively bland rectangular ABS block as an indication on how much space is needed to pack all the components.

ENGADGET: HTC talks smartphone design: from inception to final product

You should also be aware that we intend to offer significant retention packages to your engineers, key leaders and employees across all disciplines.

FORBES: 'Dear Members Of The Board'