In this paper,it is presented a necessary and sufficient condition for the likelihood estimates about parameters a and b to be finite,positive and unique when the software failure data is interfailure data or grouped data.
文章分析了Ｇ－ＯＮＨＰＰ模型在完全共效数据和不完全共效数据情况下，运用极大似然法求解参数ａ和参数ｂ时，存在有限正数解ａ、ｂ的充要条件作了分析，并且证明了在此充要条件下，其参数解是唯一的。
The necessary condition that X(v)exists limit cycles is that the 2×2 matrix A have complex eigenvalues, and some sufficient conditions that X(v)exists limit cycles and unique limit cycle are given,where f(v) may be non-homogeneous function.
得到了向量场有极限环的必要条件是2×2矩阵A有复特征值,以及讨论了极限环存在和唯一的一些充分条件,这里f(v)也许是非齐次函数。
Because the solution is not unique,the L X 1 adjustment method is proposed in this paper.
为了直接处理含有粗差的变形观测数据，文献［１］提出了Ｌ－Ｘ－１平差模型，但这种Ｌ－Ｘ－１平差模型解的唯一性较差。
In the perspective of culture , the “uniqueness” of his patriotic poems is manifested in that his patriotic passion is couched in his admiration for t.
文学史家朱自清曾多次称许闻一多是抗战以前“唯一的爱国诗人” ,对此 ,学术界似乎缺少比较集中的关注和比较精细的解读。
Existence and Uniqueness of Global Solutions of a Free Boundary Problem Modeling Tumor Growth;
一个肿瘤生长自由边界问题解的整体存在性和唯一性
Existence and uniqueness of global strong solutions of the initial boundary value problem for a class of systems of reaction-diffusion equations in biophysics;
一类多维反应扩散方程组初边值问题整体强解的存在唯一性
Research on the existence and uniqueness of a differential equation positive solution;
一类微分方程正解存在唯一性的研究
It might be our only chance of stopping them.
那是我们阻止他们前进唯一机会
The only chance of survival is to evacuate this planet.
生还的唯一机会就是离开这个星球
That diamond is the only chance he has in getting his son back.
那枚钻石是他找回儿子的唯一机会。
Avoiding the national exposure that was our ONLY HOPE of making any kind of a challenge!
避开国人注目的唯一机会，那可是我们成功的唯一希望。
He is running away because that is the only opportunity of shuffling off his responsibility.
他跑开了,因为那是推卸责任的唯一机会。
Ophthalmoscopy affords the only opportunity for direct visualization of blood vessels.
检眼镜检查法提供直接观察血管的唯一机会。
For many countries, battling the desert is the only chance to avoid starvation, destruction, and disaster.
对许多国家来说，降服沙漠乃是免除饥饿、破坏和灾难的唯一机会。
But I guess my only chance of being a fat cat is to win ten million dollars in the lottery.
但是，我要成为一个有钱人的唯一机会就是中一张一千万美元的彩票。”
In jail, New Year's Eve rank below Christmas Eve, when steak is served for dinner, the only special meal service out of the whole year.
在监狱里，新年比不上圣诞节重要，圣诞节有牛排吃，那是一年当中改善伙食的唯一机会。
Running for the Downey seat was the only possibility for me to move up the political ladder at a time when my political stock was high.
在我政治资本高涨的时候，竞选唐尼的职位，是我得以在政治阶梯上更进一步的唯一机会。
The only thing that stood in the way was lack of immediate oppotunity.
现在唯一不便的就是没有直接的机会。
The only chance of going abroad was grabbed at by my friend
这唯一的出国机会被我的朋友抓住了。
The Diet is the unique legislative body of Japan.
日本国国会是日本国唯一的立法机关。
Feet fail me now or not this maybe the only opportunity that I got.
不管成功与否,这也许是我唯一的机会了。
It follows therefore that closed-doorism is the sole wonder-working magic, while the united front is an opportunist tactic.
因此，结论：关门主义是唯一的法宝，统一战线是机会主义的策略。
The Reds travel to Cardiff's Millennium Stadium on Sunday for the team's only realistic chance of winning silverware.
周日曼联将前往卡迪夫千年球场，那是球队唯一夺取冠军的机会了。
His one observation to the point was concerning the chances of work in Chicago.
他和嘉莉说的唯一正经话题是在芝加哥打工的机会问题。
Motivated solely by a desire for monetary or material gain.
唯利是图的以获取金钱或物质为唯一动机的