人工的

N this paper, the photolysis of dissolved anthracene and pyrene in water, simulated seawater and natural seawater were studied by fluorimetry. The effects of various environmental factors on the photodecomposition of the dissolved An and Py in SSW were investigated.

本文首次用荧光光谱法研究了溶解态多环芳烃蒽和芘在水、人工海水及天然海水中的光降解过程，考察各种环境因子对溶解态蒽和芘在人工海水中光降解的影响。

We proposed, therefore, using adequate numbers of spawner obtai ned from various localities in artificial propagation and inoculating genetic ma terials from natural populations periodically are probably an effective measure to maintain or to increase the genetic variability in an artificially propagated fish stock.

我们认为生产上采用数量大、来源广的亲鱼进行人工繁殖，并定期用天然种群更换或补充繁殖用亲鱼很可能是保持或增加鱼类人工繁殖种群遗传变异性的一种有一效手段。关键词同工酶座位，电泳，遗传变异性，天然种群，草鱼

In this paper, synthetic gems (synthetic star sapphire and emerald) and natural gems from various locations including natural sapphire from Thailand and Australia, and...

研究中选择了不同地区的蓝宝石，对人工合成星光蓝宝石、天然海蓝宝石及人工合成祖母绿矿物中的包裹体进行了研究对比。

From complex adaptive system theory and artificial stock market program,an unproved artificial stock market is proposed by using Java and Matlab.

在复杂适应系统理论以及圣塔菲研究所人工模拟股市程序的启发下，使用Java语言和Matlab软件开发了改进的人工模拟股市。

The Zn(superscript 2+)of the coating material showed a powerful washability in alkaline synthetic perspiration, which proved that the prepared coating material was stable in alkaline synthetic perspiration.

纳米功能织物在碱性人工汗液中Zn2+的溶出性较小，证明制备的纳米氧化锌整理剂对碱性人工汗液稳定性较好。

BP Algorithm is the most important Algorithm of the Artificial Neural Network, and has the widest scope of application.

人工神经网络的BP算法是人工神经网络中最重要的一种学习算法，其应用范围最为广泛。

More ballots in the achingly tight presidential election on Friday, as lawyers for Vice President Al Gore vowed to extend their legal battle into next week.

美国总统大选战况激烈，佛州两郡的人工计票仍继续进行，对于迈阿密德郡停止人工计票，副总统戈尔的律师团誓言上诉到底，即使计票结果将于星期日公布。

According to the report,there are more than 50 cultivars of R.glutinosa in China,but only few of them are described in detail in agronomical and morphological characters.

地黄药材全部来源于人工栽培，在长期的人工栽培历史中，形成了众多的栽培品种或者变种。

To make clear the relationship between Azolla wet-culture yield and energy consumption by yield test of wet cultured Azolla using different artificial light source energy consumptions.

通过不同人工光源能耗下湿养红萍的产量试验，明确红萍湿养产量与人工光源能耗之间的关系。

A new kind of intelligent control with single-chip pro cessor in swilling toilet seat is designed to improve the capabilities of the pr oduct and make the control to water level, water temperature and washing time int elligently.

采用单片机进行智能控制，实现喷淋座垫智能化，克服了以往人工调整水杆和人工限时的弊病，提高了产品的性能和实用价值。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐