查询词典 reference cycle

The bridge design theory based on the life cycle cost refers to, in the beginning of bridge design, the innovative design approach to ensure an optimized bridge life cycle cost on the basis of a secure operation of bridge.

所谓桥梁的全寿命周期成本设计理论，即指在桥梁结构设计之初，在保证桥梁服务寿命内安全运营的前提下，确保其寿命周期成本最优化的一种全新设计方法。

First,the article introduces the theoretical basis of agricultural cycle economy, which gives a brief description of the agricultural cycle economy from the perspective of agricultural sustainable development.

其次为实证研究，首先分析了山东农业循环经济发展的影响因素，然后从社会、经济、人口、资源等六个方面对山东省农业循环经济发展水平做出评价，并对评价结果进行分析。

The recognition of datum plane cycle is the basis of high resolving power of sequence stratigraphy, because the formation of sequence and superimposed styles of inner sequence are controlled by datum plane cycle.

基准面旋回控制了层序的形成及其内部地层的叠加样式，因此，基准面旋回的识别是高分辨率层序地层学分析的基础。

PsCdc2 might be involved in primary hyphal growth and haustorium formation during early infection by regulating cell cycle of Pst. The present study would be helpful for understanding the essence of cell cycle control and provided basis for new chemical control of Pst.

本文首次报道了小麦条锈菌的Cdc2基因，为进一步揭示条锈菌细胞周期调控的本质及研究开发靶向Cdc2的新型农药，以及实现对小麦条锈病的新型药剂防治提供了理论基础。

And then, control circuit of one cycle controlled Boost PFC rectifier is improved with the basic idea of One Cycle Control.

然后，根据单周期控制的基本思路，改进了单周期控制的高功率因数整流器的控制电路。

Based on the existing life cycle inventory model, a new model and algorithm of energy upstream is put forward. The results of life cycle inventory therefore can be traced back to the terminal.

对已有清单模型进行改进，提出一种新的能源上游清单模型及算法，使环境负荷因子的清单结果可以追溯到最终端。

In the research of high cycle fatigue of concrete, the test means of cyclic loading between the set constant or various upper limit and low limit of force or stress has been extensively used. But this kind of test means can't be used to study the behavior of concrete low cycle fatigue under large strain.

同时高周疲劳问题研究中使用的在设定的力或应力的上下界限之间重复受力的试验方法已无法用于混凝土高应变低周疲劳性能的试验研究。

The Cymometer CPLD to use frequency, cycle, pulse width and duty cycle measurement count.

该频率计利用CPLD来实现频率、周期、脉宽和占空比的测量计数。

It is a debilitating, vicious cycle. And at the center of this cycle is the Fed.

这是一种破坏性的恶性循环，而循环的中心就是美联储。

Process unique products, short production cycle can be significantly shortened the delivery cycle.

成品成型工艺独特，生产周期短，可极大的缩短交货周期。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样