.............................................................. 274
5.3 Extended Requirement ....................................................................... 275
5.4 Essential Activity ................................................................................. 276
5.5 Domain Block ..................................................................................... 277
5.6 Weighted Requirement Relationships................................................. 278
5.7 Continuous and Secondary Use Cases ................................................ 279
5.8 Stakeholders ....................................................................................... 281
5.9 Systems and Subsystems ..................................................................... 282
5.10 System Context Elements ................................................................... 283
5.11 System Processes ................................................................................ 283
Glossary 285
References 295
Index 299
Contents
ix
According to the Boeing Commercial Aircraft Company, a Boeing 747-400 aircraft
has a maximum gross take-off weight (including a typical 416 passengers,
171 cubic meters of freight in the cargo hold, and over 200,000 kg of fuel) of
nearly 400,000 kg.
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