最早的

Back in the fifties Tom Eisner, a colleague of mine, and I did I believe the first experiments SPANacing radio-active labelled sugar-water through colonies of ants.

答：在50年代我的同事Tom Eisner跟我做了我认为是最早的使用放射性标记的糖水探查蚁群的试验。

"Electrum: Natural or artificial alloy of gold with at least 20% silver, used to make the first known coins in the Western world ."

银金矿：亦称琥珀金，金的天然合金或人造合金，其中至少含有20%的银，西方已知最早的硬币就是用它制造的。

"Electrum: Natural or artificial alloy of gold with at least 20% silver, used to make the first known coin s in the Western world."

银金矿：亦称琥珀金，金的天然合金或人造合金，其中至少含有20%的银，西方已知最早的硬币就是用它制造的。

Linear discriminant similar to esthesia device, classifies all points of the training assembly through searching linear combination which can best segment variables of all types, and Fisher linear discriminant was the first one.

与感知器类似的线性判别式是通过搜索可以最佳分隔各个类别的变量的线性组合来对训练集合中的所有点进行分类，最早的是Fisher线性判别式。

As for neutral grounding field, Farad is the first suppliers of neutral grounding resistors in China and always pioneering the neutral grounding theory research and equipment development. We provide our customers with full services including project consultation, scheme design, parameter selection calculation, implementation and maintenance.

在中性点接地领域，作为国内最早的电力系统中性点接地电阻的供应商，华力特多年来一直走在配电系统中性点接地理论研究及设备研发生产的前沿，并着力为客户提供中性点接地技术的工程咨询、方案设计、选型计算、工程实施和工程维护的全方位服务。

Fishlike vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws.

头部和身体上方有骨片的似鱼的脊椎动物；泥盆纪时期海中和河中的优势物种；曾被认为是最早的有颚脊椎动物。

Before the news reached their ears that their treasure was worthless "fool's gold," disease, starvation, and misadventure had taken a heavy toll: 67 of the original 105 Jamestown settlers died in the first year.

结果，还未等听到他们的财宝不过是些不值钱的"假金子"的坏消息，饥饿、疾病、灾难就使一大批人命丧黄泉。詹姆斯顿殖民地最早的105个拓居者在第一年里竟死去了67人。

Their use was limited by laws ,the first of which dates back to the fourteenth centry.

面具的使用受到了法律的限制，最早的法律可追溯的14世纪。

PLC is the first relay system to replace the role of the emergence of the realization of its main function is just the logical sequence of simple control functions.

最早的PLC是以替换继电器系统的角色出现，其主要实现的功能仅仅是逻辑简单的顺序控制功能。

The company main product contain fox neckband, rabbit neckpiece, the clothing of Leather, mink shawl, Furriery wallet, clothing Leather ...etc..

从人类最早的服饰，到现在无与伦比的裘皮时尚，优质皮毛与现代工艺的完美结合，使古老的皮草服饰焕发全新光彩与魅力。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。