不确定

As a general rule, if you are unsure about a food or ingredient, dont eat it.

一般来说，如果你不确定一种食物及它的成分时，不要吃。

As a general rule of thumb, if you are unsure, start lighter.

作为一般原则，如果您不确定，启动打火机。

I'm not sure that counts as loyalty though.

我不确定这只是忠诚的问题。

Based on the analysis, the paper makes use of the option-game theory to establish the different value model, including the time ascertainable and the time uncertain of new technology coming, and then analyzes the strategy of two enterprises.

在此基础上区别于以往的研究，本文综合引入了竞争、成本差异、新技术到来时间不确定及利润流等因素，建立了竞争环境下两家企业技术采纳行为的期权博弈模型，并进行数值分析与讨论。

Because the route of signal and transaction medial traffic which are carried on IP network is not ascertainable in VoIP network, lawful interception becomes more complicated and difficult.

由于VoIP采用端到端的呼叫模式，信令和媒体业务流使用IP网络来承载，其传输路由是不确定的，导致侦听的复杂度和难度都增大。

These species time their sexual reproduction with periods of environmental uncertainty, and reproduce asexually when conditions are more favourable.

这些物种按环境不确定的时期安排它们有性生殖的时间，当条件较为有利时它们进行无性繁殖。

I don't know if that's for me to judge you'd have to ask the people around me ...

我不确定我能回答。

For the assignment problem, before the work is completed, its elements in efficiency matrix should be uncertain.

对于指派问题，工作未完成之前，其效率矩阵中的元素应该是不确定的。

The control architecture and associated error equation are built for adaptive output feedback control. Then, a stable weight adjust rule for the no-line NN is derived by Lyapunov theory, thus assuring the stability of the closed-loop system.

NN的在线补偿规律由Lyapunov稳定性方法得到，保证了系统的稳定性，可以有效补偿模型参数不确定和未建模动态引起的控制偏差。

An air of uncertainty and impending difficulty surrounds the system and those associated with it...

不确定 的氛围和迫近的困难环绕这系统和与之有关的人。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。