Our speed over the ground was a miserable 2.2 knots.我们在接近地面时的航速仅为2.2节。They travel at speeds of up to 30 knots.他们以高达30节的速度行进。She sails beautifully in winds over 60 knots.它扬着帆以超过60节的船速乘风破浪。...
主要神经环的组织原已有详细描述.The histology of the main nerve rings has been described in detail.它仍然是在反应中生成过渡状态的杂环的实例.It represents an example of a heterocycle being formed as transient species.控制可以是开环的也可以是闭环的.This control may be clos...
In other cases, such as inventories, inputs and outputs are both continuous.在另一些情况下, 比如存货, 其投入和产出都是持续不断的.In the real world, the relation between inputsand outputs exhibits wide variety.在现实世界中, 投入产出间关系表现出多种变化.Care must be...
有人能想出一种不会破坏生态环境而又能够赶跑蜘蛛的办法吗？Can anyone suggest a method of deterring spiders which is ecologically sound?那蜘蛛的黑色身子有如天鹅绒般光滑.The spider has a velvety black body.科学家们对织网型蜘蛛的兴趣在于构成蛛网的丝线.What interests scientists about web - w...