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 ".