Coordinates of a single point are separated by commas and Spaces are used between points.
每个点的坐标以逗号隔开,点之间用空格隔开。
In real life, your development or test environment may point to the same database, but your production environment would certainly be separated from the development or test database.
在现实中,开发环境和测试环境可能指向同一个数据库,但是生产环境肯定应该与开发或测试数据库分开。
Join the flames together about a third of the way or midway from the base of the fire and have the flames separated going up from that point.
从火焰的底部起至三分之一或中间处把各个火焰连起来,从这一点开始各自分开向上。
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