n.

a submerged ridge of rock or coral near the surface of the water

a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese

同義詞：WitwatersrandRand

Sail which can be rolled-up or reefed
Three-Stage Model for Slider-Reefed Parafoil Inflation
Changes in skeletal muscle in starved and reefed young rats
FSI modeling of the reefed stages and disreefing of the Orion spacecraft parachutes
Modeling the Inflation of Ram-Air Parachutes Reefed with Sliders
Apparatus for simultaneously disreefing a centrally reefed clustered parachute system
High-altitude flight test of a reefed 12.2-meter-diameter disk-gap-band parachute with deployment at a Mach number of 2.58
DEVICE FOR SELECTIVELY PREVENTING ROTATION OF THE UPPER END OF A REEFED SAIL AND PARTICULARLY A HEAD SAIL SUCH AS A JIB
Semi-Numerical Derivation of the Opening Shock Factor and Inflation Time for Slider-Reefed Parafoils
Drag and stability characteristics of a variety of reefed and unreefed parachute configurations at Mach 1.80 with an empirical corre...