传信鸽
- 与 传信鸽 相关的网络例句 [注：此内容来源于网络，仅供参考]
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During battle, messages conveyed by carrier pigeon got through more often than those sent by plane.
战争期间，信息的传达更多的是靠传信鸽而不是飞机。
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Also what was and continues to be very useful is the guano of the pigeons, the droppings, which is an excellent fertiliser for the fields of the residents.
在19世纪期间，雏鸟小鸽子开阔了运输出口的商机，从以前甚至到现在，仍旧非常有用的就是鸽子的粪便，对当地农田来说，是非常棒的肥料，在威尼斯时代，鸽子也被用来做传信鸽。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。