var:-value}: If exists and isn't NULL, return 's value.
${var:-value}：如果存在且不是NULL，就返回 的值。
The decrease of sediment supply is the primary reason for the change of A/S value.
本区A/S值的变化主要受沉积物供给量变化控制。
However, if max-age (or corollary s-maxmag for public caches) is set, its value overrules Expires.
但是，如果设置了max -age(或者对于公共缓存来说必然使用的s -maxmag)，则它的值将撤销Expires。
The results shown that the K/S value of fabrics after modifying with polyamide increased markedly.
结果表明，经过聚酰胺改性的纤维，其染色深度大幅度提高。
In electronic commerce marketing, pushing individuation marketing strategy to promote customer, s value is important.
当前电子商务营销中，推行提升客户价值的个性化营销策略。
The preferred dyeing process was confirmed by analyzing and comparing the K/S value of dyed cotton yarn with indigoid dyes.
本文对松香蜡染的工艺流程、染料的选择及染色工艺作了详细的分析和探讨。
The ending summarizes the whole dissertation, and summarizes Jin' s value and influence in novel criticism history of China.
结语综括全文，总结金圣叹在中国文学说批评史上的价值和影响。
We believe the company "s expansion plans are solid, and that expansion should enhance the stock" s value over the long term.
我们相信该公司的扩张计划是坚实的，而且扩大应加强股票的价值长期。
Some environmentalists worry that if cork starts to lose it ' s value , the cork oak forests of europe will no longer be protected.
一些环保人士担心软木塞开始失去价值，欧洲的软木橡树森林不再得到保护。
Was also shot a large number of commercial photography, show business unique selling points, highlight the product 's value connotation.
也曾拍摄了大量的商业摄影作品，展现了商家独特的卖点，突显了产品的价值内涵。
The S value from the HSL model was extracted to realize image grizzled processing, and the image noise through the medium filtering was reduced.
采用从HSL模型中抽取S值的方法实现图像灰度化处理，并通过中值滤波减少图像的噪声。
We can get a column? S value either by specifying the column index as an integer or the column name as a String object. I show both approaches in the code.
通过指定整数类型的列索引，或String对象类型的列名，就可以获得一个列的值。
The litigation action is one of the key elements forming the litigation procedure, and it is the basic carrier to achieve the ligitation s value and aim.
诉讼行为是构成诉讼活动的基本要素之一，也是实现诉讼程序价值和目的的基本载体。
The characteristics of spiral deformation on ASSEL mill and wall thickness accuracy for thick, middle and thin tubes with various D/S value have been analyzed.
分析了不同D/S值的厚、中、薄壁管在A SSEL轧管机上的螺旋变形特征和壁厚精度。
Intellectual capital management, the knowledge importantly influencing enterprise 's value creation, undoubtedly plays a key role in enterprise' s value promotion.
对在企业的价值创造中发挥重要作用的知识——智力资本的管理在企业价值提升的过程中无疑正扮演着一个最为关键的角色。
Nicolai Hartmann s value Platonism is a whole theory pattern, which is constituted of theory of value essence and relation and discovering and ideal and principle.
哈特曼的价值柏拉图主义是由价值本质论、关系论、发现论、理想论、原则论等观点构成的一个完整的理论范式。
Testing of nitrogen content and evaluation of after-dyeing K/S value are used to determine the modification degree of ramie fabric and the hydrolysis of CM in alkali bath.
用测定纤维上含氮量和染色后K/S值来反映苎麻的改性程度和纤维改性剂CM在磁性介质中的水解程度。
This paper discusses the model of estimation of the Human Capital′s Value, using the method of input-output model to describe the process of the yield of the Human Capital.
本文就人力资本价值计量问题引出一种新型投入产出模型——描述人力资本价值生产过程的投入产出模型。
The K/S value of the polyester fabrics increases when increasing the temperature or the pressure, which have nothing to do with the solubility of the dye. It was observed that C.
聚酯织物的K/S值在实验范围内随系统温度、压力的提高而增加，而与染料溶解度的相对大小无关；
The article has discussed the meaning and the schemes of implementing digitization management of enterprise' s value chain and expounded the implementation tactics of enterprises.
本文探讨了实施价值链数字化管理的意义及实施方案，阐明了企业的实施策略。
The increase of the correlation coefficient between knowledge carrier and enterprise′s value-increase would improve the sharing proportion and the diligent degree of knowledge carrier.
风险企业内部知识传授者的知识存量与企业价值增长相关系数越大，则其收益分享比例与努力程度也越高。
In fact, gold has tripled in value over the last seven years, outperforming the S&P 500 for this same period of time.
事实上，在过去的七年里，黄金价格已经增长了三倍，远超同期水平的s&p 500指数。
But she believes that for the vast majority of U. S. children, the value of free time has been exaggerated.
但是她相信对大多数美国孩子来说，自由时间的价值已经被夸大了。
That is the O.E.D. 's greatest value - as a guide to our spoken and written history.
这才是O.E.D.的最大价值——它引导我们了解英语口语和书面语的历史。
This means that the UDR always returns the same value for given argument(s), and that the UDR does not modify the database or variable state.
也就是说，对于给定的参数，UDR始终返回相同的值，而且 UDR不能修改数据库或变量状态。
In this article, we'll use that time value to record the "dwell" time for the r, s, and t keys over a specific time window.
在本文中，我们将在具体时窗内使用该时间值记录r、s和t键的“停顿”时间。
Attribute is a mandatory attribute that specifies which attribute of the LDAP object contains the value (s) to be returned.
attribute是一个强制属性，用于指定该LDAP对象的哪些属性包含要返回的值。
We will do that later until it starts to slip and then at that critical angle that it starts to slip you have a value for mu of s for the static friction coefficient.
增加倾斜度直到物体开始下滑,然后记住开始下滑时的角度值,通过公式就能求出,静摩擦系数μ静。
We will do that later until it starts to slip and then at that critical angle that it starts to slip you have a value for mu of s for the static friction coefficient.
增加倾斜度直到物体开始下滑,然后记住开始下滑时的角度值,通过公式就能求出,静摩擦系数μ静。
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