The mastery of vocabulary meaning is difficult in foreign language learning ( FLL ) .

掌握词汇意义是词汇学习的重点与难点之一。

Technology of carrier tracking for high dynamic signals based on FLL and PLL cascade

基于FLL与PLL级联的高动态载波跟踪技术

The Explanative and Procedural Semantics of FLL Analysing Prolog from advantage of process

FLL语言的说明性语义与过程性语义依据过程性优势分析Prolog程序语言

Motivation is regarded as a key factor in FLL . It has considerable influence on learning achievement .

在外语学习中动机被视为一个重要的因素，它对学习成果有相当大的影响。

FLL / PLL Combination-Based Approach to Carrier Tracking Applied in Navigation Receiver

基于FLL/PLL相结合的载波跟踪在导航接收机中的应用