黑板

It is a perfect system implemented on IBM/PC.

它以规则+框架+黑板作为系统的知识结构，是一个在IBM-PC机上实现的功能较完善的系统。

That was the inspiration for the interconnecting blackboards that Big Weld would write his theories on.

这就是相互连接黑板的灵感Big Weld告诉我的理论。

Find blackboard first, look for upgrade to keep jussive person again.

先找到黑板，再找往上写命令的人。

The well perpared and trenchantly arranged lecture and some added small knowledge benefited students a lot; the alternation of lantern slide,writing on the blackboard and three-dimension demo builded well atmosphere to the lecture; Lai Kai's passion,humour and teansparent logic also left a deep impression to students.

精心准备，层次分明的讲座内容与及时加入的一些小知识让在座的同学都感觉收益颇丰；幻灯片，黑板板书，三维演示等环节的交替进行，为内容的讲解营造了良好的氛围；赖凯同学的热情，风趣，与明晰的逻辑，也给同学们留下了深刻的印象。

The children will identify these sounds as the teacher points to each letter combination on the board and to corresponding pictures.

老师在黑板上指字母组合和相应的图片时，小朋友们都能够正确的分辨出来。

He is drawing a straight line on the blackboard.

他正在黑板上画一条直线。

For today's homework, make sentenceswith the words on the blackboard.

今天的家庭作业是用黑板上的单

For today's homework, make sentences with the words on the blackboard.

今天的家庭作业是用黑板上的单词造句。

So in chapter 2 of this dissertation, knowledge based vision systems are researched and a new knowledge based system framework is presented, where a blackboard scheduler for inference, based on message transfer is used.

因此本文对这个问题进行了系统的研究，提出了一个独具一格的基于知识的视觉系统框架，探讨了在计算机视觉系统中使用知识的途径，并且在其中使用了一种基于消息传送的黑板推理调度机制，克服了传统专家系统方法直接应用带来的一些问题。

Because of crude facilities or keeping clear of trouble, some teachers enjoy following the beaten track in their teaching and ruling their students by their voices alone. They use the monotonous methods such as punishing the students to transcribe words repeatedly, without any innovation in teaching scenes. In this way, the teachers make a language which is closed to students to be a kind of solitary and tedious mechanical repetition, and then they get half the result with twice the effort in the mass, even causing a lapse of misguidance. Therefore, students' aggressiveness and personality in study were hindered, and their interests in study were killed. It's certain that students were repelled to study. In the same time, students were lack of opportunity to practice oral English after class, not to mention enjoying the pleasure in colorful second classroom.

一些教师或限于教学设备间陋，或贪图省事，因循守旧，一本书、一只粉笔、一块黑板一成不变，乐此不疲，教学"一言堂"，包办代替，对学生强注硬灌，罚抄单词，没有任何情景的创设，把贴进学生生活的语言变成了孤零零的、枯燥乏味的机械重复，教学总体上"费时较多，收效较低"，陷入"勤勤恳恳地教书，辛辛苦苦地害人"的误区和怪圈，阻碍了学生的主动发展和个性培养，扼杀了学生的学习兴趣，使其厌学、怕学；课余几乎没有口语应用的机会，更谈不上去享受多姿多彩第二课堂的乐趣；教学要求实行统一标准。

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。