部份地

In Chapter 2, the learning algorithm of the single-layer perceptron and its limitation are considered firstly.

前馈结构的神经网络是最重要的神经网络模型之一，本文系统地研究了前馈结构神经网络的能力，包括多层感知机和径向基函数网络两部份。

Gradually, something seemed to get opened. The long-held toughness, long-endured pain and long-insisted ways in my body were all of a sudden released with tears trickling down my face. Lying on top of the black synthetic leather surface of the chiropractic bed, I began to recognize the part of me that I had long denied to see.

一面说，他一面扭转、顿压、推揉我的身体，慢慢地、什麼东西好像被打开了，长久以来故作的坚强、强忍的疼痛、执意的坚持，都和泪水一起狂飙出来，躺在那张黑色合成皮的整脊床上，我开始愿意正视自己一直否认的这个部份。

Then there came the occasion that when gods and men were in dispute at Sicyon concerning the prerogatives of each, Prometheus, by an ingenious trick, attempted to settle the question in favor of man.

他把一头献祭用的牛分为两份，把所有可食用的部分包在牛皮里，并狡滑地在上面摆满不招人喜欢的内脏；把骨头用一层肥脂裹起来，看上去象是好肉。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。