The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covellite. 矿石主要含铜矿物为孔雀石 、 硅孔雀石, 少量的黄铜矿 、 辉铜矿及极少量的斑铜矿和铜蓝等.
An expatiation of the design about the conventional fuzzy controller.阐述了常规模糊控制器的设计过程.It will let us to adhibit the controller of electric window.这个可以粘一下电动门窗的控制器.A digital aircraft anti - skid braking controller based on ...
他的推理完全正确，但是未切中肯綮。His reasoning is perfectly sound, but he misses the point.我已依文字作过推理论证。I've argued deductively from the text.他通过一番简单的推理得出了解决问题的方法。He arrived at the solution by a simple process of deduction....