求翻译：系统功能语法虽然以小句为基本单位，但着眼点是语篇整体的分析，同时还把语法与不同的意义与语境和文化等因素结合起来。可以说系统功能语法教学是语法教学中最有效的一种语法教学（张德禄）。是什么意思？

Although systemic-functional grammar as the basic unit of a small sentence, but the focus is the analysis of discourse as a whole, but also grammar and different meaning and context and cultural factors together. System functions can be said that the teaching of grammar in the teaching of grammar is

正在翻译，请等待...

Although the system function grammar take the minor sentence as the fundamental unit, but the objective point is a language overall analysis, meanwhile factors and so on grammar and different significance and linguistic environment and culture unifies.May say the system function grammar teaching is

Systemic functional grammar with clauses as the base unit, but of the overall focus is on discourse analysis, also with different syntax and contextual and cultural factors such as the significance of combined. Can be said of systemic functional grammar teaching is one of the most effective grammar

System function though grammar regard small one as base unit, starting point language page global analysis, still combine factors such as grammar and different meaning, context and culture,etc. together at the same time. We can say the grammar teaching of the system function is the most effective ki