(a) As has been mentioned, some postulated that phlogiston has negative weight (levity).

(a) 正如所提到那样，某些燃素会减轻（轻率）假定。

We begin by establishing the unbiasedness of OLS estimators under a set of assumptions.

首先，我们在一些假定下证明OLS估计量无偏性。

Let’s postulate that she is a cook.

我们假定她是一位厨师。

Let's suppose (that) the news is true.

让我们假定这消息是真。

A scientist never presupposes the truth of an unproved fact.

家从不预先假定未经证实事实。

Let us presuppose that he wins the game.

让我们先假定他赢得这场比赛。

So it is very indispensable to revaluate the rear hypothesis of the present capital market theory.

因此，重新估价当今资本市场理论背后假定是十分重要。

I gambled that they wouldn't shoot.

我大胆假定他们不会开。

These are all perhapses.

这全是假定。

Your assumption is wrong.

你假定是错。

First, it is assumed that the polytope exists in the system matrix, input matrix and measure matrix of the stale space model.

首先，假定多胞型不确定参数存在于状态空间模型系统矩阵、输入矩阵和量测矩阵中。

Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

大多数关于种子园理论，是以假定能机交配和自花受精而不会成为严重问题为依据。

But suppose in spring the farmer had left the toil unturned,the seed unsown,the trees untrimmed,and everything neglected,what would now be the result?

但是，假定农民们在春天不耕土地，不播种籽，不修剪果树，什么都不干，那么现在会出现什么结果呢？

It may trivialise, demean, irritate or insult women.Research evidence shows that language use affects the ways in which people view themselves and others.

如果一种语言理所当然地假定一切应以社会上男性、或者社会上男性观点为规范标准，这种语言就是性别歧视语言。

Without assuming the form of unstrained state,the form of unstrained state corresponding to that of pre-stressed state can be obtained through this method directly.

该方法无需假定结构零状态几何,而可以一次得到对应于初状态(即预应力态)几何结构施工放样尺寸(即零状态几何),并通过分级加载对该方法精度进行了检验。

Nothing was more calculated to annoy Halidome than to tell him he was"begging the question", for he prided himself on being strong in logic.

没有比说他“以假定作为论据进行诡辨”更能使赫利多姆气事了，因为他惯以逻辑强为自豪。

In the fitting methods of both the ordinary nonparametric regression models and the varying coefficient regression models, the error term of the models is usually assumed to be homoscedastic.

在以上这些回归模型拟合方法中，通常假定模型误差是等方差。

From this point simply swing forward and up and the racquet will naturally become vertical at contact, provided that you swing from the shoulders and do not get too wristy.

从这点，假定网拍在接触点下面一呎，只是向前和向上挥拍, 如此网拍将自然地在接触中变成垂直，假设你是从肩膀挥拍而且不是太用到手腕话。