These are word's examples related to optional. Click on any word to go to its word's detail page. Or, 更多关于optional的信息
Seat-belts are included as standard but electric windows are an optional extra.
There are several optional tours, for which there will be a small charge.
The basic model is quite cheap, but there are a lot of optional extras.
We show how to extend any existing parser combinator library with support for parsing permutations of typed, potentially optional elements.
The final (optional) element of the sequence gives the values of the syntactic functions, adjuncts and specifiers (in any order, distinguished by their role names).
Take is usually a transitive verb, yet although it has an obligatory direct-object argument, locative arguments are normally optional.
For these children, then, we have no reason to suspect that agreement was an optional element in the children's grammars.
The only exceptions are found at the word-level, where optional rule application can be systematic in certain grammars.
In section 3.2, we develop an implementation for permutations without optional elements, and in section 3.3 extend this solution to cover optionality.
One-quarter of the states lacked any special program for the poor elderly, and some states with such programs made them county optional.
A postgraduate diploma option can be obtained after completion of the core and optional modules or a master's degree after an additional research project dissertation.
Two further modules have to be chosen from the following optional modules: advanced statistical methods, clinical trials, qualitative research methods, and advanced health economics.
Up until 1945, the optional referendum represented an efficient veto point for groups opposing the welfare state to dilute state-interventionist social policies.
This was accomplished by defining optional matrix columns.
These devices can be combined with optional clausestructure variations, which reflect the fact that word order also encodes discourse status.
Evidently, an interpretation of a derivation is determined by its action on the optional axioms.
The items below are presented as optional ways of writing the same word or expression, some with the apostrophe/stop, others without.
For example, there are positions in which complementizers are obligatory, optional or impossible, and these positions vary across languages and times.
