Electric Asembling and Wiring Worker电气装配及接线工人 Offer Engineers报价工程师 R&D Engineer (Structure Engineer)结构设计及研发工程师 ..
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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。
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。
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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