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BNF

网络法国国家图书馆；巴科斯范式(Backus-Naur form)；巴克斯范式(Backus normal form)

BNF

BNF

BNF

法国国家图书馆

设在巴黎的法国国家图书馆(BNF)为法国规模最大，也是最现代化的图书馆，历史悠久，典藏极为丰富；它同时又是国家版本图 …

巴科斯范式(Backus-Naur form)

在巴科斯范式(BNF)条目中的邮政地址的例子可以被指定为:postal-address = name-part street zip-part name-part = *(pers...

巴克斯范式(Backus normal form)

yacc 使用巴克斯范式(BNF)定义语法，能处理上下文无关文法(context-free)。出现在每个产生式左边(left-hand side：lhs)的符号 …

1

Then, HSM domain ontology was described and expressed by Backus -Naur Form (BNF) formulations , and was stored in relationship database .

采用巴科斯范式对领域本体进行统一的描述和表达，并利用关系数据库的形式存储。

9

If you're familiar with parsing , you'll quickly realize that the second argument to the parse function is equivalent to providing a BNF .

如果熟悉解析的话，将很快就明白 parse 函数的第二个参数相当于提供了一个 BNF 。

10

Although relative response to N by legume species may differ , N fertilization will reduce nodulation and BNF by legumes .

尽管不同豆类作物种对氮的反应不同，但施氮肥会减少豆类作物结瘤和生物固氮量。

11

Recommendations for starter N originate from our knowledge of the legume 's physiological dependence on mineral N prior to onset of BNF .

对豆类作物推荐施种肥是因为我们知道在出现生物固氮之前豆科植株对矿质氮有生理依赖。

13

the paper adopts bnf to express the logic expressions , providing a good formalization method .

论文采用了巴科斯范式来表示逻辑表达式，为其提供了一个很好的形式化的表达方式。

14

Only when availability of N was increased through effective nodulation and BNF was there a response to applied P.

只有通过有效结瘤和生物固氮增加有效氮，施用磷肥才有效应。

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Based on BNF code , this paper investigates the problems concerning digital processing of rare Chinese characters .

在 BNF 范式编码的基础上，深入讨论了生僻汉字数字化处理问题。

20

Firstly the paper models the simulation scenes scripts of MANET with BNFs and constraints .

首先，创建了移动自组网模拟场景脚本的 BNF 与约束模型。

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