The second call to the read method, where you try to assign the value to the str variable, returns an empty string.
在对read方法的第二个调用中，试图把值分配给str变量，结果返回一个空的 string。
The effect of elastic modulus of adhesive on the str ess distribution in aluminium alloy single lap joint was investigated using elastic-plastic finite element method(FEM).
运用弹塑性有限元法，研究了胶粘剂弹性模量对含间隙的铝合金单搭接接头上应力分布的影响。
First we use the STR function from Clojure to convert the char to a string.
首先，我们使用Clojure的str函数来将这个char转变为字符串。
The STR class contains a large number of useful methods for manipulating strings.
str类包含大量的用于操作字符串的有用方法。
But you can also explicitly create a string object by using the STR class constructor, as shown in Listing 6.
但是您也可以使用str类构造函数显式地创建字符串对象，如清单6所示。
It was also observed in many cases that the steam to carbon ratio affected significantly the STR oi the catalyst.
在许多情况下，也观察到水蒸汽与碳之比对催化剂的STR有显著影响。
It was also observed in many cases that the steam to carbon ratio affected significantly the STR oi the catalyst.
在许多情况下，也观察到水蒸汽与碳之比对催化剂的STR有显著影响。
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