a variety of 多种的; 各种各样, 多种多样; 各种各样;不同种类; 各种各样的..., 种种..; 各种各样的,众多的; 一种,种种; 种类繁多的; 种种,各种; 种种,多种多样的; 种种,若干不同的
variety n. 1.变化,多样化 (opp. monotony, uniformity)。 2.(各种东西的)杂凑。 3.异种;种类;项目;【生物学】品种;变种;【语言学】异体。 4.〔主英〕杂耍表演 (= variety show)。 an improved variety 育成[改良]品种。 every variety of form 各种形式。 for a variety of reasons 因种种理由。 for variety's sake 为了不单调起见。 full of variety富于变化的,丰富多彩的。 have a great variety to choose from 有很多种类可供选择。 in a variety of ways 用种种方法。
It mainly contain : the establishment and implement of neural network model which contain establish and learn & drill of bp artificial neural network from the data of experiment . then it was predicted the operation control variety which can be used for reference by produce manage decision 其内容主要是建立bp神经网络模型,运用此神经网络模型对堆浸厂的试验数据进行学习、训练,然后对生产操作控制参数进行预测,为生产管理决策提供参考和依据。