In the model, the concept of antecedent sediment concentration is introduced and the method for simulating the back silting under the action of wave is established.

数学模型中引进前期含沙量的概念，得到了潮流挟沙能力公式，给出了波浪作用下浮泥引起航槽回淤的模拟方法。

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But while still going strong, that method is quickly taking a back seat to a new prospecting wave that allows many of the firm's 8, 700 brokers to see hundreds of potential clients in one shot.

FORBES: Pension Problems? Not For Brokers