工业化前的

Such industrial transformation lasted for several decades in the western industrial countries, with not only the successful cases such as Huston of America, but also the failure model of Baku of the former Soviet Union.

西方工业化国家的资源型城市产业转型经历了几十年的时间，既有美国休斯顿这样的转型成功的典范，也有前苏联的巴库这样失败的案例。

This paper at its beginning briefly analyzed the three historical periods of forestry development, namely the primitive forestry in preagricultural and agricultural era, the traditional forestry in industrial era and the modern forestry in post-industrial contemporary era .

文章首先扼要剖析了林业发展的三个历史阶段：农耕前及农业时代的原始林业，工业化时代的传统林业以及后工业时代的现代林业，强调了真正的现代林业只能从全世界范围内开始生态觉醒的二十世纪中叶算起，现在还处在过渡和形成阶段。

In his reinterpretation, migration becomes the organizing principle for rewriting the history of preindustrial North America.

在他的解释中，移民成为改写前工业化北美历史的组织原则。

These colonial entrepreneurs helped determine the social character of people who came to preindustrial North America.

这些殖民地的企业主帮助那些来到前工业化北美社会的人确定其社会属性。

In the early 1950's,historians who studied preindustrial Europe

，开始调查前工业化时代欧洲人口中的大多数，而非那些构成了政治与社会精英

These colonial entrepreneurs helped determine the social character of people who came to preindustrial North America.

這些殖民地的企业主帮助那些来到前工业化北美社会的人确定其社会属性。

The study of food prices and population has, of course, long been a central topic both in the historical demography and in the economic history of the preindustrial world.

当然，食品价格和人口的研究长期以来是历史人口学和前工业化时期经济史中一个很重要的话题。

It is impossible to know today just what our Stone Age ancestors knew about plants, but from what we can observe of preindustrial preindustrial societies that still exist a detailed learning of plants and their properties must be extremely ancient.

我们今天不可能知道新石器时代的祖先对植物到底了解多少，们对植物到底了解多少，但我们在至今仍存在的前工业化社会观察到：仍存在的前工业化社会观察到：人类对植物及其特性的详细了解应该是非常古老的。

It is impossible to know today just what our Stone Age ancestors knew about plants, but from what we can preindustrial observe of preindustrial societies that still exist a detailed learning of plants and their properties must be extremely ancient.

我们今天不可能知道新石器时代的祖先们对植物到底了解多少，但我们在至今仍存在的前工业化社会观察到：多少，但我们在至今仍存在的前工业化社会观察到：人类对详细了解应该是非常古老的。

The Development of Agriculture and Rural Industry in Pre Industrial East Anglia, England.

前工业化时期英国东盎哥利亚农业和乡村毛纺业的发展。

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。