方便的

• It is often convenient to use an "effective guide index. "
  采用“波导有效折射率”是方便的。
• It is the last of them which is the most convenient analytically .
  其中最后一个在分析上是最方便的。
• It is convenient to adopt the control volume illustrated in fig. 2-1 .
  采用如图21所示的控制容积是很方便的。
• Large maps which must be unfolded are unwieldy to use in the field .
  不能折叠的大型图纸在野外使用是很不方便的。
• It is often convenient to use the mole to describe the amount of substance .
  用摩尔来表示物质的量通常是很方便的。
• The high intensity of a laser beam makes it a convenient drill .
  激光束的强度极高，这就使它成为一种方便的钻孔工具。
• A tabulation of a function of two variables is cumbersome, but possible .
  二元函数的列表法是不方便的，然而是可能的。
• This is the most convenient reference level for most electrostatic problems .
  对大多数的静电问题来说，这是最方便的参考点。
• Many real-world situation can conveniently be described by means of a diagram .
  现实世界的许多事例用图形来描写可能是方便的。