51.  The data of closing is 15% in 1990, but it takes a dive in 2000, dropping to 10%.

52.  The data of savings in 1990 is 6%, while it is 3% in 2000.

53.  Thirdly, learn to distinguish the statistics and be critical about the data on the Internet.

54.  Here we got some data about the average income and expenses in the United States in 1990 and 2000.

55.  Backbone providers connect to each other to exchange data between users.

56.  For example, searching for data of value, widening the horizon, making friends with the same interest.

57.  For example, instant-online-chat technology is based on high-speed transmission of masses of data.

58.  L: And this project will provide precise data of Michelangelo's sculptures.

59.  In a certain period, physics should owe its development to the data of astronomical observation.

60.  The data provided was relevant to the average income and expenses in the U. S. in 1990 and 2000.