essential to

• To preserve an unbroken domesticity was essential to his peace of mind .
  维护一个完整的家庭生活对于保持他心境安宁尤为重要。
• In analysing a situation , it 's essential to distinguish the main aspect from the minor one ..
  分析形势，要看清主流和支流。
• Thus for energies in this range it is essential to use relativistic mechanics .
  所以，对这样大的能量来说，必须应用相对论力学。
• Many processes that are essential to the chemical industry use heterogeneous catalysts .
  很多重要的化学工业过程就是使用多相催化剂的。
• They decided that it was essential to retrieve the papers from the smoldering building .
  他们决定，务必把文件从还在冒烟的大楼中抢救出来。
• Turning now to seedbeds, it is absolutely essential to create a really fine bed .
  再谈谈播种种床的问题，建立一个真正优良的种床是完全必要的。
• Removal of these residues is essential to obtain maximum stability of the polymer .
  要使聚合物具有良好的稳定性，将这些杂质除去是非常重要的。
• Arithmetic is essential to all the other sciences because they could not exist without it .
  算术对其他各门科学至为重要，因为没有它别的科学就不能存在。
• We shall see later that gluons are essential to the dynamics of the quarks inside the proton .
  后面将会看到，胶子对于质子内夸克的动力学机制来说是必需的。
• If she should ever tell me that you are essential to her perfect happiness, i will give her to you .
  倘若她告诉我你是她的幸福美满的要素，我就会把她给你。