indefinite是什么意思

用法例句

Calculation of water environmental capacity in lake and reservoir based on unascertained number theory;

基于未确知数的湖库水环境容量定量研究

Qualitative estimation method of equipment life cycle cost based on unascertained number theory;

基于未确知数理论的装备全寿命费用定性估算方法

In this paper, the correspondence K from the real number set R to the subset R of the unascertained number set R has been given here.

本文中给出了实数集R到未确知数集R的子集R′之间的一个对应K,并通过证明K关于四则运算的同构性,证明了未确知数是实数的推广,而实数是未确知数的特例。

Like other environmental systems, lake and reservoir are also complicated systems with uncertainty.

同其它环境系统一样,湖泊水库也是一个具有未确知性的复杂系统。

The specified probabilistic models for structural resistances were put forward in connecting with the differences between both structures in deign and in service, which introduce the uncertainty variables into probabilistic models for the in-service structural resistance to reflect the uncertainty of cognit.

针对拟建结构和现有结构之间的差别,文中还建立了不同结构具体的抗力概率模型,在现有结构抗力的概率模型中引入了未确知量,以反映人们在认识现有结构当前抗力时的未确知性。

The unascertained mathematics analysis method of the measurable results about the dissolved oxygen of water;

水质COD测试结果可信度的未确知数分析方法

The unascertained mathematics was introduced to analyze the representative values of compressive strength of concrete core from cast in-suit pile at the condition of small sampling data.

根据未确知数学理论,提出了小样本条件下灌注桩混凝土抗压强度代表值的未确知数分析法。

Comprehensive evaluation system was set up and unascertained set was applicated for it.

建立国际工程风险评价综合体系,应用未确知集对国际工程承包风险进行综合评价,通过具体实例说明其实用性和可行性。

Aiming for the immanent software reliability model application inconsistency at present,this article proposes a kind of software reliability model selection method,which bases on the unascertained set.

针对目前普遍存在的软件可靠性模型应用不一致性问题,提出一种基于未确知集的软件可靠性模型选择方法。

Then it is used as a membership function, and based on it, the concept of unascertained set in domain is introduced, the operations of the unascertained set are defined.

以未确知测度为隶属函数抽象出论域上的未确知集合概念,定义未确知集合的运算。