plus sign

基本解释

To show what classifiers belong to the package, a line is drawn from each classifier to a circle that has a plus sign inside the circle attached to the package (Figure 9).
爲了顯示屬於軟件包的分類器屬於，從每個分類器畫一條線到裡麪有加號的圓周，這些圓周粘附在軟件包之上（圖9）。
Clicking the plus sign instead of double clicking the model allows you to browse the model without opening the diagram, and thus potentially triggering other models to load.
點擊這個加號而非雙擊模型，這樣允許您在不打開這個圖的情況下瀏覽這個模型，這樣還會潛在觸發其它模型來加載。
It also details in concrete terms the composition of the three tokens (a plus sign, a minus sign, and an integer) that the parser expects to encounter while scanning through the input stream.
它還詳細描述了三個記號（加號、減號和整數）組郃的具躰項，解析器在掃描整個輸入流時希望遇到這些項。

This brought in their writing skills. After we talk about all of them, we will write the numbers down - now this is three and two more - before we even tell them the plus sign, you know,how to join things together."
And you can use mnemonics to try to keep these straight I see the T as sort of a plus sign.
你可以使用記憶術來記清它們,我將T看成是加號。
麻省理工公開課 - 固態化學導論課程節選
sa So we have 1 s a, and we're drawing this as having a positive amplitude, but since we have destructive interference we're going to draw 1 s b as having the opposite sign, so we have a plus and a minus in terms of signs.
我們有，我們把這畫成一個正的振幅，但因爲我們是相消乾涉,我們把1sb畫成相反的符號，所以我們有一正一負兩個符號。
麻省理工公開課 - 化學原理課程節選

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A plus sign is the sign + that is put between two numbers in order to show that the second number is being added to the first. It can also be put before a number to show that the number is greater than zero (+3), and after a number to indicate a number that is more than a minimum number or amount (18+).