The first thing a neuron does is multiply each of its inputs by a specific weight, let’s say 2.8 for its first input, and .1 for it’s second input.

神经元做的第一件事是将它的每个输入乘以一个特定的权重，假设第一个输入为 2.8，第二个输入为 .1。

Quite different from Lake Asphaltite,whose depression is twelve hundred feet below the sea, it contains considerable salt,and one quarter of the weight of its water is solid matter, its specific weight being 1,170,and,after being distilled,1,000.

那个亚洲西部的死海低于海面一千二百英尺。大咸湖的水含盐成分很大，固体的盐质占湖水的总重量四分之一。水和盐的合重是一千一百七十，其中水的重量是一千。