The sample of spline coated with nylon was made through electrostatic spraying, and the jack horse and road running test was also carried out.

采用静电喷涂法制得尼龙涂覆花键样品，并进行了台架和道路行驶试验。

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The horse was named after a famous general known as "Black Jack" Pershing.

VOA: special.2009.05.25

The best known riderless horse was Black Jack.

VOA: special.2009.05.25

Beyond market conditions, Mr. Stronach's companies ran into U.S. regulations that made it difficult to launch a horse-racing IPO, according to Jack Brothers, chief executive of the six companies.

WSJ: A 'Neigh' to Thoroughbred Horse IPOs