Measuring the World
完成条件
按索引浏览词汇表
特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部
S
ScaleRelationship between a representation and the actual size. | |
Second handHand indicating seconds. | |
SI UnitsThe International System of Units, the standard measurement system used in science worldwide. | |
Standard unitAn agreed-upon unit of measurement that is used consistently around the world. | |