plane sailing การใช้

Non-planing sailing is very difficult with this design and racing is only conducted with a strict 7 knot wind minimum in place.
The expressions " plane sailing " ( or more commonly " plain sailing " ) has, by analogy, taken on a more general meaning of any activity that is relatively straightforward.
Plane sailing is based on the assumption that the meridian through the point of departure, the parallel through the destination, and the course line form a right triangle in a plane, called the " plane sailing triangle ".
Plane sailing is based on the assumption that the meridian through the point of departure, the parallel through the destination, and the course line form a right triangle in a plane, called the " plane sailing triangle ".