Some kind of harvesting machine was needed.

需要某种收割机器。

In an effort to get the wheat harvested faster, the government is deploying harvesting machines called combines to farmers.

为了加快小麦收获速度，政府向农民部署了联合收割机。

Then we see the huge harvesting machines driven by powerful tractors or pulled by four or five horses abreast.

然后我们看到巨大的收获机器由强大的拖拉机驱动，或由四匹或五匹马并排拉动。

Not far from 12,000 patents on harvesting machines were granted in this country in the fifty years following McCormick's invention, and more than two hundred companies were formed to compete for the market.

在麦考密克发明后的五十年里，这个国家授予了近 12,000 项收割机专利，并成立了两百多家公司来争夺市场。

Thus the harvesting machine " pushed the frontier westward at the rate of thirty miles a year, " according to William H. Seward. It made American and Canadian agriculture the most efficient in the world.

据威廉·苏厄德说，收割机“以每年三十英里的速度向西推进”。它使美国和加拿大的农业成为世界上效率最高的农业。

The appearance of Appleby's improvement in 1884 completes the cycle of the McCormick reaper on its mechanical side The harvesting machine of fifty nations today is the one to which Appleby put the final touches in 1884.

1884 年 Appleby 改进的出现在机械方面完成了 McCormick 收割机的循环 今天五十个国家的收割机是 Appleby 在 1884 年进行最后润色的机器。