This study has examined the effect of input processing instruction on the relearning of different rules of the English definite article by Chinese non-English major learners in a classroom setting.

This paper studies the effect of additional input on the performance of nonlinear control system through DIDF method(Double Inputs Descriptive Function),deduces the simplified formulas for DIDF calculation,and analyses the effects of vibra-tion signal on the nonlinear functions of dead band,gear clearance and relay.

The problem of the improvement of system control performance by use of addition inputs is discussed.

The Effect of Input Enhancement and Output on the Acquisition of English Relative Clauses for Chinese English Learners;