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46、EI是梁的抗弯刚度，提高它的最有效、最合理的方法是采用惯性矩大的截面形状
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Education determines occupation and occupation determines income.
Technical skills ensure us of high-paying jobs in the manufacturing and service sectors today.
Consumption patterns are to a large degree determined by education because education plays a role in one’s income, thinking, decision-making, rationality and tastes and preferences.
A household’s purchasing power decides on its income level.
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