Variational regularity的用法和樣例：
例句
- The change of the malonadehyde content in the seed has no remarkable regularity.
照射種子的丙二醛含量變化規律不明顯。 - Motion equations of the shell are derived by equation and the variational principle.
利用功率流的基本定義，研究了當殼體受迫振動(dòng)時(shí)輸入結構的功率流和殼體中各內力所攜帶功率流沿軸向方向傳播時(shí)的變化規律，旨在為工程中類(lèi)似結構的減振降噪提供指導性原則。
