查询词典 free-falling

Firstly, it's proved that the base of free monoid is unique, and that the equation of a base, a generating set and a irreducible generating set in the semigroup with length; Secondly, it's given the relation of a primitive word and a word of indecomposable--Let and is indecomposable, then is primitive ;And by using the length's method and chart,some properties of primitive word have been proved and the solutions of the equation , are discussed; Lastly, on the base of some proposition in Free monoids and Languages ,the proofs of some properties are improved by instruction. For example: Let be a primitive word over X, where .Then is a code. And let then if and only if {} is a code.

首先，讨论了含幺半群中基的基本性质及基与最小生成元集的联系，并给出了含幺半群中基、生成元集、不可约生成元集三者之间的关系；证明了在有唯一长度的半群S中，不可约生成元集、基、最小生成元集三者之间的等价关系；其次，讨论了字的组合与分解性，得出了字的本原性与不可分解性之间的关系---若为不可分解的，则一定是本原的，反之，不一定真；并运用图示法证明了字的可补性理论，讨论了方程，的可解性；在此基础上，用归纳法进一步证明了本原字与码的有关命题--若是X上的一个本原字，其中，则是一个码；若则当且仅当{}是一个码。

Ex ship price; free overside priceDelivery can be made free on board and your order dispatched within 24 hours.

贵方如能在二十四小时内寄出订单，本公司就以船上交货价条件交货。

Passengers may carry baggage on board free of charge: 20Kg for adult, 10kg for child (including children traveling free of charge).

乘客可随身携带免费行李：大人20公斤，小童10公斤，每件携带品的长宽高相加之和不得超过160厘米，超过时应办理托运。

Hong Kong is a free port, implement free competition policy for a long time.

香港是一个自由港，长期实行自由竞争政策。

In order to turn Shanghai into a shipping centre, it is necessary to carry out the free port policy and build a free port.

在当前航运市场竞争日趋激烈的形势下，要把上海建设成为国际航运中心，必须实行自由港的政策，建立自由港。

We believe that a free press and free speech are bulwarks of democracy.

我们相信自由的出版和自由的言论是民主的保障。

That's a characteristic of a "free press" which free societies choose to have.

这是一个典型的"自由新闻"的自由社会选择。

I think the foundation of a free society is a free press.

我想一个自由社会的根基是建立在一个媒体自由的基础上面。

The people won the right to free speech and a free press.

人民赢得了言论自由和出版自由的权利。

Free speech, free press, one man one vote..... that's just another story

但是，言论自由，出版自由，一人一票的选举，这又是另一回事了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。