失效的

Article 20An offer shall lose efficacy under any of the following circumstances:(1)the notice of rejection reaches the offeror;(2)the offeror revokes the offer in accordance with the law;(3)the offeree fails to dispatch an acceptance before the expiration of the time limit for acceptance;(4)the offeree makes substantial changes to the contents of the offer.

第二十条有下列情形之一的，要约失效：拒绝要约的通知到达要约人；要约人依法撤销要约；承诺期限届满，受要约人未作出承诺；受要约人对要约的内容作出实质性变更。

Gliding descent in autorotation is a maneuver used by helicopter pilots in case of engine failure.

当直升机的发动机失效后，自转下滑就成为驾驶员实现安全着陆的唯一有效手段，这需要熟练的驾驶技术。

It is concluded that the autoxidation of sulfite is based on free radical chain mechanism and ...

试验结果为亚硫酸盐氧化的自由基机理提供了有力证据，也为亚硫酸盐的贮存失效提供了有效的防止方法。

The feeling of the place is inconvenient to use the FLASH transparent, Backspace to the failure.

感觉不方便的的地方就是使用了FLASH的透明，退格键失效了。

In order to improve the life of impeller and the efficiency of sand pump ,the metallography structure and chemical composition of the failure impeller are analyzed and the hardness measurement for different location is carried out.

为了提高砂泵叶轮的使用寿命及砂泵效率，对失效砂泵叶轮的金相组织、化学成分进行分析，并对不同部位进行硬度测定，结果表明砂泵叶轮材料为中锰球铁。

Owing to earning manipulation, inefficiency of internal control system and time-lag of financial report disclosure, the authenticity and timeliness of financial information are limited.

由于盈余操纵、内部控制机制失效、信息披露的滞后性时差等原因，财务信息的真实性与及时性受到限制。

Thermally stimulated current is an important method to study the space charge accumulation and the trapping parameter in dielectrics.

1引言聚酰亚胺是变频电机中重要的绝缘材料，研究聚酰亚胺在变频条件下的老化和失效机理显得日益迫切[1，2]。

In wireless Ad Hoc networks, the mobility of nodes may cause route failure that leads to route rediscovery. Frequent route rediscoveries degrade the performance of networks.

无线Ad Hoc网络中，节点的移动可能引起路由失效，从而导致路由重建，而这会降低网络的性能。

The fusible metal prevents premature rupture disk failure from momentary over pressurization and also

易熔金属防止了由于瞬间过压造成的破裂盘的太早失效。

In her working place where everyone seems to inevitably get Anorexia nervosa, everything logical and rational existed indefinitely.

在那个每个人都仿佛得了神经性厌食症的地方，任何有关理性与逻辑的东西都无限期地失效了。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐