查询词典 useful

By use of symmetry of integral domain to coordinate surface, coordinate axis and coordinate origin, some useful formula to compute the integral are constructed, which are illustrated very useful and effective.

通过对积分区域的对称性和被积函数的奇偶性的讨论，从积分区域关于坐标平面、坐标轴和坐标原点对称出发，建立了简化各类积分计算的常见公式，并用例于展示了公式的有效性。

These findings suggest that FCM is a rapid and useful technigue in the analysis of pleural effusion and can be a very useful adjunct to conventional cytopathology.

基於此研究结果，在胸水诊断价值上FCM DNA定量方法是一种快速，有用的分析定量胸水细胞DNA，尤其是和一般临床细胞诊断方法同时测定更为有效。

Useful life: The period of time that a depreciable asset is expected to be useful to the business.

可折旧资产预期对企业有用的时间段。

Of course if we chose to go extinct this would be useful; but at this time it is not useful and so we will find another resource to resolve our lack until humans rise more in awareness and cease to desecrate what is required to sustain the whole.

当然，如果我们选择灭绝的话，这是有用的，但是在此提升时候这却并不是有益的，因此我们将会找到另一种资源来解决我们氧气匮乏的问题，直到人类更加意识到这一点，并停止再糟蹋维系整体所需要的事物为止。

For the insulation with electroscope metal lever and crust, suppress of pink of sees useful glass, porcelain, bakelite is tasted, olefin, of useful even and common rubber and cork.

以验电器金属杆和外壳的绝缘来说，所见到的就有用玻璃、瓷、胶木粉压制品、石蜡，甚至有用普通橡皮及软木塞的。

Our findings demonstrate that in conjunction with clinical and radiographic findings, immunohistochemical evaluation with a panel of D2-40, EMA, brachyury, and GFAP is most useful in distinguishing chordoid meningioma from chordoid glioma, skeletal myxoid chondrosarcoma, extraskeletal myxoid chondrosarcoma, chordoma, low-grade chondrosarcoma, and enchondroma. A lack of strong, diffuse S100 reactivity may also be useful in excluding chordoid meningioma.

我们的结果表明，结合临床和影像学资料，D2-40、EMA、brachyury和GFAP这样一个免疫标记组合就能很好地鉴别脊索样脑膜瘤和脊索样胶质瘤、骨的黏液样软骨肉瘤、骨外的黏液样软骨肉瘤、脊索瘤、低级别软骨肉瘤、内生性软骨瘤。S100染色不强烈、不弥漫也有助于排除脊索样脑膜瘤的诊断。

This is the fiber art intervenes interior space, the indoor environment useful for art and design, at the same time to the modern fiber art itself in the development of positive and useful.

这是纤维艺术介入室内空间，对室内环境艺术设计有益的促进，同时对于现代纤维艺术自身的发展也是积极和有益的。

I got on Board the Ship, as before, and prepar'd a second Raft, and having had Experience of the first, I neither made this so unwieldy, nor loaded it so hard, but yet I brought away several Things very useful to me; as first, in the Carpenter's Stores I found two or three Bags full of Nails and Spikes, a great Skrew-Jack, a Dozen or two of Hatchets, and above all, that most useful Thing call'd a Grindstone; all these I secur'd together, with several Things belonging to the Gunner, particularly two or three Iron Crows, and two Barrels of Musquet Bullets, seven Musquets, and another fowling Piece, with some small Quantity of Powder more; a large Bag full of small Shot, and a great Roll of Sheet Lead: But this last was so heavy, I could not hoise it up to get it over the Ship's Side.

我像前次那样上了船，并又做了一个木排。有了上次的经验，我不再把木排做得像第一个那么笨重了，也不再装那么多货物了，但还是运回了许多有用的东西。首先，我在木匠舱房里找到了三袋钉子和螺丝钉，一把大钳子，二十来把小斧，尤其有用的是一个磨刀砂轮。我把这些东西都安放在一起，再拿了一些炮手用的物品，特别是两三只起货用的铁钩，两桶枪弹，七支短枪、一支鸟枪，还有一小堆火药，一大袋小子弹，还有一大卷铅皮。可铅皮太重，我无法把它从船上吊到木排上。

I got on Board the Ship, as before, and prepar'd a second Raft, and having had Experience of the first, I neither made this so unweildy, nor loaded it so hard, but yet I brought away several Things very useful to me; as first, in the Carpenter's Stores I found two or three Bags full of Nails and Spikes, a great Skrew-Jack,* a Dozen or two of Hatchets, and above all, that most useful Thing call'd a Grindstone; all these I secur'd together, with several Things belonging to the Gunner, particularly two or three Iron Crows,* and two Barrels of Musquet Bullets, seven Musquets, and another fowling Piece, with some small Quantity of Powder more; a large Bag full of small Shot, and a great Roll of Sheet Lead: But this last was so heavy, I could not hoise* it up to get it over the Ship's Side.

我像前次那样上了船，并又做了一个木排。有了上次的经验，我不再把木排做得像第一个那么笨重了，也不再装那么多货物了，但还是运回了许多有用的东西。首先，我在木匠舱房里找到了三袋钉子和螺丝钉，一把大钳子，二十来把小斧，尤其有用的是一个磨刀砂轮。我把这些东西都安放在一起，再拿了一些炮手用的物品，特别是两三只起货用的铁钩，两桶枪弹，七支短枪、一支鸟枪，还有一小堆火药，一大袋小子弹，还有一大卷铅皮。可铅皮太重，我无法把它从船上吊到木排上。

The Gatling Speargun is still very useful in water, but it becomes more useful on land now.

矛枪依然存在，陆地上的威力被加强了。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。