Online Google Dictionary

constrain 中文解釋 wordnet sense Collocation Usage
Verb
/kənˈstrān/,
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constrained, past participle; constrained, past tense; constrains, 3rd person singular present; constraining, present participle;
  1. Severely restrict the scope, extent, or activity of
    • - agricultural development is considerably constrained by climate
    • - we can constrain data access
  2. Compel or force (someone) toward a particular course of action
    • - children are constrained to work in the way the book dictates
  3. Cause to appear unnaturally forced, typically because of embarrassment
    • - he was acting in a constrained manner
  4. Confine forcibly; imprison

  5. Bring about (something) by compulsion
    • - Calypso in her caves constrained his stay

  1. restrain: hold back
  2. stiffen: restrict; "Tighten the rules"; "stiffen the regulations"
  3. (constrained) lacking spontaneity; not natural; "a constrained smile"; "forced heartiness"; "a strained smile"
  4. (constraining) confining: restricting the scope or freedom of action
  5. (constraint) the state of being physically constrained; "dogs should be kept under restraint"
  6. (constraint) restraint: a device that retards something's motion; "the car did not have proper restraints fitted"
  7. (Constraint (database)) A relational database matches data by using common characteristics found within the data set. The resulting groups of data are organized and are much easier for many people to understand.
  8. (Constraint (information theory)) Constraint in information theory refers to the degree of statistical dependence between or among variables.
  9. (Constraint (mathematics)) In mathematics, a constraint is a condition that a solution to an optimization problem must satisfy. There are two types of constraints: equality constraints and inequality constraints. The set of solutions that satisfy all constraints is called the feasible set.
  10. to force physically, by strong persuasion or pressurizing; to compel; to oblige; to keep within close bounds; to confine; to reduce a result in response to limited resources
  11. (Constrained) Forced or compelled against the will, resulting in undue sustained muscluar contraction. E.g., the horse may be constrained to bend, or flex, or to move forward at speed.
  12. (Constrained) The use of a rigid floor or concrete slab on grade. When a post frame building is properly tied in to either of these, it can help to reduce column embedment depth and/or column hole diameters.
  13. (Constrained) When a horse is forced into an action against its will.
  14. (Constrained) a default is applied only if the set composed of the background theory, the justifications of all applied defaults, and the consequences of all applied defaults (including this one) is consistent;
  15. (Constrained) when a product offering is only avilable with a specific billing cycle type.
  16. (Constraint) A bottleneck, obstacle, or planned control that limits throughput or the utilization of capacity.
  17. (constraint) Any element or factor that prevents a person from reaching a higher lever of performance with respect to her goal.
  18. (Constraint) In PM, an applicable restriction that will affect the performance of the project.  Any factor that affects when an activity can be scheduled.
  19. (Constraint) Anything that limits a system from achieving higher performance, or throughput.
  20. (Constraint) A limit to the design process. Constraints may be such things as appearance, funding, space materials, and human capabilities.
  21. (Constraint) Restriction that a design variables must satisfy, typically denoted in a mathematical program standard form as an inequality, g(x) <= 0, or equality, h(x)=0.
  22. (Constraint) A limitation on decision(s).
  23. (constraint) A semantic condition or restriction. Certain constraints are predefined in the UML, others may be user defined. Constraints are one of three extensibility mechanisms in UML. See tagged value, stereotype.
  24. (CONSTRAINT) A restriction to the behavior of a variable. Constraints are similar to LIMITS, but usually act over a broader range of variable values.
  25. (CONSTRAINT) on of the basic sets of oppositional standards or forces in culture focused on by New Historical criticism. (See Stephen Greenblatt's "Culture.") These forces work to preserve society in contrast with the countervailing forces of mobility.