符号

• The symbols and notation used herein are essentially those in current use in north america .
  这里采用的符号和表示方法实际上是北美洲通用的。
• The most often used units of specific activity(abbreviated sp. act. ) are curies/mole .
  最常用的比活性（符号是SpAct）单位是居里克分子。
• Usually no distinction in notation is made, and both would be represented by the same symbol .
  通常标记上不加区别，两者都用相同的符号表示。
• In order to differentiate between isotope, a new system of symbol writing had to be developed .
  为了区分同位素，不得不制定新的符号书写体系。
• Mendelian gene is not a real physical entity but an abstraction or symbol .
  孟德尔式的基因并不是真正的实体，而是抽象概念或者是说明性的符号。
• Since a dummy index just indicates summation, it is immaterial which symbol is used .
  由于哑指标只是表明求和，所以它使用什么符号是无关重要的。
• Drawing presently appeared again, for record, for signs, for the joy of drawing .
  图画不久又出现了，为了作记录，为了记符号，也为了享受画图的乐趣。
• one symbol, such as , can convey precise, unequivocal structural information.
  像这样一个符号能正确明了地表达可靠的结构知识。
• The accepted designation for the plane-strain fracture toughness under these environments is this .
  在这些环境下平面应变断裂韧性所采用的符号是这个。
• We shall use the symbol w without any subscript to denote work done on the system by its surroundings .
  我们将用不带任何注脚的符号W表示环境对体系作的功。